66765392 ÷ 549 
We want to figure out the number of times 66765392 can be divided by 549.

Moving on to step 1:
The number 549 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
If we subtract 0 from 6, we get 6.
Append the next digit (6) from the dividend to 6 and continue with: 66 / 549

Moving on to step 2:
66 divided by 549 is 0 with a remainder of 66.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 66 after subtracting 0 from 66.
Bring next digit (7) of the dividend behind the 66 and repeat the process: 667 / 549

On to step 3:
If we divide 667 by 549, we get 1 and a remainder of 118.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 549 from 667 to get 118.
Take the next digit (6) from the dividend and append it to 118, then repeat: 1186 / 549

Advancing to step 4:
When dividing 1186 by 549, we get 2 with a remainder of 88.
Record the quotient 2 as the next digit in the result. 
Result so far: 12.0
Subtracting 1098 from 1186 leaves us with 88.
Take the next digit (5) from the dividend and append it to 88, then repeat: 885 / 549

On to step 5:
When dividing 885 by 549, we get 1 with a remainder of 336.
The number 1 becomes the next digit in our result. 
Result so far: 121.0
The remainder is 336 after subtracting 549 from 885.
Include the next digit (3) from the dividend after 336, then repeat: 3363 / 549

Let's proceed to step 6:
3363 divided by 549 is 6 with a remainder of 69.
Write down 6 as next digit of the result. 
Result so far: 1216.0
If we take 3294 away from 3363, we end up with 69.
Fetch the next digit (9) from the dividend, attach it to 69 and continue: 699 / 549

Let's proceed to step 7:
549 goes into 699 1 times with a remainder of 150.
Put 1 as the next digit of the answer. 
Result so far: 12161.0
The remainder is 150 after subtracting 549 from 699.
Grab the next digit (2) from the dividend, add it to 150, then carry on: 1502 / 549

Step 8:
549 goes into 1502 2 times with a remainder of 404.
Use 2 as the next digit of our solution. 
Result so far: 121612.0
If we subtract 1098 from 1502, we get 404.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4040, and continue the process.

On to step 9:
If we divide 4040 by 549, we get 7 and a remainder of 197.
Use 7 as the next digit of our solution. 
Result so far: 121612.7
Subtracting 3843 from 4040 leaves us with 197.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1970, and continue the process.

Going ahead to step 10:
When dividing 1970 by 549, we get 3 with a remainder of 323.
Use 3 as the next digit of our solution. 
Result so far: 121612.73
Deduct 1647 from 1970 and we're left with 323.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3230, and continue the process.

On to step 11:
549 goes into 3230 5 times with a remainder of 485.
Record the quotient 5 as the next digit in the result. 
Result so far: 121612.735
If we take 2745 away from 3230, we end up with 485.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4850, and continue the process.

Advancing to step 12:
If we divide 4850 by 549, we get 8 and a remainder of 458.
The next digit of our result is 8. 
Result so far: 121612.7358
Subtract 4392 from 4850 to get 458.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4580, and continue the process.

Moving on to step 13:
The number 549 fits into 4580 8 times, leaving a remainder of 188.
Write down 8 as next digit of the result. 
Result so far: 121612.73588
Deduct 4392 from 4580 and we're left with 188.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1880, and continue the process.

In conclusion, the division gives 121612.73588 with a balance of 0.000188.