65498519 ÷ 166 
We want to divide 65498519 by 166.

Advancing to step 1:
The number 166 fits into 6 0 times, leaving a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Include the next digit (5) from the dividend after 6, then repeat: 65 / 166

On to step 2:
65 divided by 166 is 0 with a remainder of 65.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 65 and we're left with 65.
Fetch the next digit (4) from the dividend, attach it to 65 and continue: 654 / 166

Step 3:
166 goes into 654 3 times with a remainder of 156.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
If we take 498 away from 654, we end up with 156.
Include the next digit (9) from the dividend after 156, then repeat: 1569 / 166

Moving on to step 4:
166 can be fit into 1569 9 times, resulting in a remainder of 75.
The next digit of our result is 9. 
Result so far: 39.0
Subtracting 1494 from 1569 leaves us with 75.
Append the next digit (8) from the dividend to 75 and continue with: 758 / 166

Let's proceed to step 5:
The number 166 fits into 758 4 times, leaving a remainder of 94.
Write down 4 as next digit of the result. 
Result so far: 394.0
The remainder is 94 after subtracting 664 from 758.
Bring next digit (5) of the dividend behind the 94 and repeat the process: 945 / 166

Let's proceed to step 6:
166 goes into 945 5 times with a remainder of 115.
Write down 5 as next digit of the result. 
Result so far: 3945.0
Deduct 830 from 945 and we're left with 115.
Append the next digit (1) from the dividend to 115 and continue with: 1151 / 166

On to step 7:
166 goes into 1151 6 times with a remainder of 155.
The next digit of our result is 6. 
Result so far: 39456.0
The remainder is 155 after subtracting 996 from 1151.
Grab the next digit (9) from the dividend, add it to 155, then carry on: 1559 / 166

Moving on to step 8:
The number 166 fits into 1559 9 times, leaving a remainder of 65.
Put 9 as the next digit of the answer. 
Result so far: 394569.0
Subtract 1494 from 1559 to get 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Advancing to step 9:
166 goes into 650 3 times with a remainder of 152.
Write down 3 as next digit of the result. 
Result so far: 394569.3
Subtracting 498 from 650 leaves us with 152.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1520, and continue the process.

Going ahead to step 10:
166 can be fit into 1520 9 times, resulting in a remainder of 26.
Put 9 as the next digit of the answer. 
Result so far: 394569.39
The remainder is 26 after subtracting 1494 from 1520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Let's proceed to step 11:
When dividing 260 by 166, we get 1 with a remainder of 94.
The next digit of our result is 1. 
Result so far: 394569.391
Deduct 166 from 260 and we're left with 94.
Since there are no more digits in the dividend, we add a zero to the remainder making it 940, and continue the process.

On to step 12:
The number 166 fits into 940 5 times, leaving a remainder of 110.
Use 5 as the next digit of our solution. 
Result so far: 394569.3915
Subtracting 830 from 940 leaves us with 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Going ahead to step 13:
166 goes into 1100 6 times with a remainder of 104.
The next digit of our result is 6. 
Result so far: 394569.39156
Subtract 996 from 1100 to get 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Advancing to step 14:
1040 divided by 166 is 6 with a remainder of 44.
Put 6 as the next digit of the answer. 
Result so far: 394569.391566
Deduct 996 from 1040 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

The final result is 394569.391566 with a remainder of 4.4e-06.