66819770 divided by 535 
We want to figure out the number of times 66819770 can be divided by 535.

Step 1:
6 divided by 535 is 0 with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Fetch the next digit (6) from the dividend, attach it to 6 and continue: 66 / 535

Step 2:
If we divide 66 by 535, we get 0 and a remainder of 66.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 66, we get 66.
Take the next digit (8) from the dividend and append it to 66, then repeat: 668 / 535

Moving on to step 3:
535 can be fit into 668 1 times, resulting in a remainder of 133.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtracting 535 from 668 leaves us with 133.
Fetch the next digit (1) from the dividend, attach it to 133 and continue: 1331 / 535

Advancing to step 4:
535 goes into 1331 2 times with a remainder of 261.
The next digit of our result is 2. 
Result so far: 12.0
The remainder is 261 after subtracting 1070 from 1331.
Bring next digit (9) of the dividend behind the 261 and repeat the process: 2619 / 535

Let's proceed to step 5:
535 can be fit into 2619 4 times, resulting in a remainder of 479.
The number 4 becomes the next digit in our result. 
Result so far: 124.0
If we take 2140 away from 2619, we end up with 479.
Include the next digit (7) from the dividend after 479, then repeat: 4797 / 535

Let's proceed to step 6:
When dividing 4797 by 535, we get 8 with a remainder of 517.
Use 8 as the next digit of our solution. 
Result so far: 1248.0
If we subtract 4280 from 4797, we get 517.
Include the next digit (7) from the dividend after 517, then repeat: 5177 / 535

Step 7:
If we divide 5177 by 535, we get 9 and a remainder of 362.
Use 9 as the next digit of our solution. 
Result so far: 12489.0
Subtract 4815 from 5177 to get 362.
Grab the next digit (0) from the dividend, add it to 362, then carry on: 3620 / 535

Let's proceed to step 8:
535 goes into 3620 6 times with a remainder of 410.
Record the quotient 6 as the next digit in the result. 
Result so far: 124896.0
Subtract 3210 from 3620 to get 410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4100, and continue the process.

Step 9:
If we divide 4100 by 535, we get 7 and a remainder of 355.
Write down 7 as next digit of the result. 
Result so far: 124896.7
The remainder is 355 after subtracting 3745 from 4100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3550, and continue the process.

Moving on to step 10:
535 goes into 3550 6 times with a remainder of 340.
Write down 6 as next digit of the result. 
Result so far: 124896.76
Subtracting 3210 from 3550 leaves us with 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Step 11:
When dividing 3400 by 535, we get 6 with a remainder of 190.
The number 6 becomes the next digit in our result. 
Result so far: 124896.766
The remainder is 190 after subtracting 3210 from 3400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Our division results in 124896.766 with a remaining 0.019.