66169400 divided by 320 
We're looking to find how many times 320 goes into 66169400.

Let's proceed to step 1:
The number 320 fits into 6 0 times, leaving a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Include the next digit (6) from the dividend after 6, then repeat: 66 / 320

Moving on to step 2:
320 goes into 66 0 times with a remainder of 66.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 66 leaves us with 66.
Fetch the next digit (1) from the dividend, attach it to 66 and continue: 661 / 320

Moving on to step 3:
When dividing 661 by 320, we get 2 with a remainder of 21.
Write down 2 as next digit of the result. 
Result so far: 2.0
Deduct 640 from 661 and we're left with 21.
Bring next digit (6) of the dividend behind the 21 and repeat the process: 216 / 320

Going ahead to step 4:
320 can be fit into 216 0 times, resulting in a remainder of 216.
The next digit of our result is 0. 
Result so far: 20.0
Subtracting 0 from 216 leaves us with 216.
Fetch the next digit (9) from the dividend, attach it to 216 and continue: 2169 / 320

Step 5:
The number 320 fits into 2169 6 times, leaving a remainder of 249.
Use 6 as the next digit of our solution. 
Result so far: 206.0
Subtract 1920 from 2169 to get 249.
Grab the next digit (4) from the dividend, add it to 249, then carry on: 2494 / 320

Advancing to step 6:
When dividing 2494 by 320, we get 7 with a remainder of 254.
The next digit of our result is 7. 
Result so far: 2067.0
The remainder is 254 after subtracting 2240 from 2494.
Include the next digit (0) from the dividend after 254, then repeat: 2540 / 320

Moving on to step 7:
If we divide 2540 by 320, we get 7 and a remainder of 300.
The next digit of our result is 7. 
Result so far: 20677.0
The remainder is 300 after subtracting 2240 from 2540.
Fetch the next digit (0) from the dividend, attach it to 300 and continue: 3000 / 320

Going ahead to step 8:
The number 320 fits into 3000 9 times, leaving a remainder of 120.
The next digit of our result is 9. 
Result so far: 206779.0
The remainder is 120 after subtracting 2880 from 3000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Moving on to step 9:
320 can be fit into 1200 3 times, resulting in a remainder of 240.
Write down 3 as next digit of the result. 
Result so far: 206779.3
Subtracting 960 from 1200 leaves us with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Moving on to step 10:
If we divide 2400 by 320, we get 7 and a remainder of 160.
Write down 7 as next digit of the result. 
Result so far: 206779.37
The remainder is 160 after subtracting 2240 from 2400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Going ahead to step 11:
When dividing 1600 by 320, we get 5 with a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 206779.375
If we take 1600 away from 1600, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 12:
If we divide 0 by 320, we get 0 and a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 206779.375
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 13:
0 divided by 320 is 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 206779.375
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

In conclusion, the division gives 206779.375 with a balance of 0.0.