66075774 ÷ 170 
We're looking to find how many times 170 goes into 66075774.

Going ahead to step 1:
170 goes into 6 0 times with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Take the next digit (6) from the dividend and append it to 6, then repeat: 66 / 170

On to step 2:
When dividing 66 by 170, we get 0 with a remainder of 66.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 66 and we're left with 66.
Bring next digit (0) of the dividend behind the 66 and repeat the process: 660 / 170

Advancing to step 3:
The number 170 fits into 660 3 times, leaving a remainder of 150.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
The remainder is 150 after subtracting 510 from 660.
Grab the next digit (7) from the dividend, add it to 150, then carry on: 1507 / 170

Moving on to step 4:
If we divide 1507 by 170, we get 8 and a remainder of 147.
The next digit of our result is 8. 
Result so far: 38.0
If we subtract 1360 from 1507, we get 147.
Grab the next digit (5) from the dividend, add it to 147, then carry on: 1475 / 170

Step 5:
The number 170 fits into 1475 8 times, leaving a remainder of 115.
Write down 8 as next digit of the result. 
Result so far: 388.0
If we subtract 1360 from 1475, we get 115.
Grab the next digit (7) from the dividend, add it to 115, then carry on: 1157 / 170

Step 6:
If we divide 1157 by 170, we get 6 and a remainder of 137.
The number 6 becomes the next digit in our result. 
Result so far: 3886.0
The remainder is 137 after subtracting 1020 from 1157.
Append the next digit (7) from the dividend to 137 and continue with: 1377 / 170

Let's proceed to step 7:
The number 170 fits into 1377 8 times, leaving a remainder of 17.
Put 8 as the next digit of the answer. 
Result so far: 38868.0
If we subtract 1360 from 1377, we get 17.
Take the next digit (4) from the dividend and append it to 17, then repeat: 174 / 170

Advancing to step 8:
The number 170 fits into 174 1 times, leaving a remainder of 4.
The number 1 becomes the next digit in our result. 
Result so far: 388681.0
If we take 170 away from 174, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 9:
40 divided by 170 is 0 with a remainder of 40.
Record the quotient 0 as the next digit in the result. 
Result so far: 388681.0
Deduct 0 from 40 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Step 10:
The number 170 fits into 400 2 times, leaving a remainder of 60.
Record the quotient 2 as the next digit in the result. 
Result so far: 388681.02
If we subtract 340 from 400, we get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Advancing to step 11:
600 divided by 170 is 3 with a remainder of 90.
The next digit of our result is 3. 
Result so far: 388681.023
Deduct 510 from 600 and we're left with 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Advancing to step 12:
170 can be fit into 900 5 times, resulting in a remainder of 50.
Put 5 as the next digit of the answer. 
Result so far: 388681.0235
If we take 850 away from 900, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Going ahead to step 13:
When dividing 500 by 170, we get 2 with a remainder of 160.
The number 2 becomes the next digit in our result. 
Result so far: 388681.02352
Deduct 340 from 500 and we're left with 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Moving on to step 14:
170 goes into 1600 9 times with a remainder of 70.
Write down 9 as next digit of the result. 
Result so far: 388681.023529
The remainder is 70 after subtracting 1530 from 1600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Step 15:
When dividing 700 by 170, we get 4 with a remainder of 20.
The next digit of our result is 4. 
Result so far: 388681.0235294
If we subtract 680 from 700, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 16:
170 goes into 200 1 times with a remainder of 30.
Put 1 as the next digit of the answer. 
Result so far: 388681.02352941
If we take 170 away from 200, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

In conclusion, the division gives 388681.02352941 with a balance of 3e-08.