We divide 66509612 by 165
We want to divide 66509612 by 165.

Step 1:
The number 165 fits into 6 0 times, leaving a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Append the next digit (6) from the dividend to 6 and continue with: 66 / 165

Going ahead to step 2:
If we divide 66 by 165, we get 0 and a remainder of 66.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 66, we get 66.
Grab the next digit (5) from the dividend, add it to 66, then carry on: 665 / 165

Advancing to step 3:
665 divided by 165 is 4 with a remainder of 5.
The next digit of our result is 4. 
Result so far: 4.0
If we take 660 away from 665, we end up with 5.
Append the next digit (0) from the dividend to 5 and continue with: 50 / 165

Step 4:
165 can be fit into 50 0 times, resulting in a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 40.0
If we take 0 away from 50, we end up with 50.
Grab the next digit (9) from the dividend, add it to 50, then carry on: 509 / 165

On to step 5:
165 can be fit into 509 3 times, resulting in a remainder of 14.
The number 3 becomes the next digit in our result. 
Result so far: 403.0
Subtract 495 from 509 to get 14.
Fetch the next digit (6) from the dividend, attach it to 14 and continue: 146 / 165

Going ahead to step 6:
165 can be fit into 146 0 times, resulting in a remainder of 146.
Put 0 as the next digit of the answer. 
Result so far: 4030.0
Deduct 0 from 146 and we're left with 146.
Bring next digit (1) of the dividend behind the 146 and repeat the process: 1461 / 165

Moving on to step 7:
165 goes into 1461 8 times with a remainder of 141.
Put 8 as the next digit of the answer. 
Result so far: 40308.0
Deduct 1320 from 1461 and we're left with 141.
Fetch the next digit (2) from the dividend, attach it to 141 and continue: 1412 / 165

On to step 8:
If we divide 1412 by 165, we get 8 and a remainder of 92.
Write down 8 as next digit of the result. 
Result so far: 403088.0
If we subtract 1320 from 1412, we get 92.
Since there are no more digits in the dividend, we add a zero to the remainder making it 920, and continue the process.

Advancing to step 9:
When dividing 920 by 165, we get 5 with a remainder of 95.
The number 5 becomes the next digit in our result. 
Result so far: 403088.5
Deduct 825 from 920 and we're left with 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

Advancing to step 10:
When dividing 950 by 165, we get 5 with a remainder of 125.
Record the quotient 5 as the next digit in the result. 
Result so far: 403088.55
Deduct 825 from 950 and we're left with 125.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1250, and continue the process.

After the division, we end up with 403088.55 and a remainder of 0.125.