16810417 ÷ 618 
The aim is to understand the frequency of 618 in 16810417.

Going ahead to step 1:
The number 618 fits into 1 0 times, leaving a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Include the next digit (6) from the dividend after 1, then repeat: 16 / 618

Advancing to step 2:
618 goes into 16 0 times with a remainder of 16.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 16 leaves us with 16.
Fetch the next digit (8) from the dividend, attach it to 16 and continue: 168 / 618

Moving on to step 3:
618 can be fit into 168 0 times, resulting in a remainder of 168.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 168, we get 168.
Append the next digit (1) from the dividend to 168 and continue with: 1681 / 618

Let's proceed to step 4:
618 can be fit into 1681 2 times, resulting in a remainder of 445.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
If we subtract 1236 from 1681, we get 445.
Include the next digit (0) from the dividend after 445, then repeat: 4450 / 618

On to step 5:
If we divide 4450 by 618, we get 7 and a remainder of 124.
Use 7 as the next digit of our solution. 
Result so far: 27.0
Subtract 4326 from 4450 to get 124.
Take the next digit (4) from the dividend and append it to 124, then repeat: 1244 / 618

On to step 6:
If we divide 1244 by 618, we get 2 and a remainder of 8.
Use 2 as the next digit of our solution. 
Result so far: 272.0
If we subtract 1236 from 1244, we get 8.
Bring next digit (1) of the dividend behind the 8 and repeat the process: 81 / 618

On to step 7:
If we divide 81 by 618, we get 0 and a remainder of 81.
The number 0 becomes the next digit in our result. 
Result so far: 2720.0
Deduct 0 from 81 and we're left with 81.
Append the next digit (7) from the dividend to 81 and continue with: 817 / 618

Step 8:
The number 618 fits into 817 1 times, leaving a remainder of 199.
Write down 1 as next digit of the result. 
Result so far: 27201.0
The remainder is 199 after subtracting 618 from 817.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1990, and continue the process.

Going ahead to step 9:
The number 618 fits into 1990 3 times, leaving a remainder of 136.
Put 3 as the next digit of the answer. 
Result so far: 27201.3
The remainder is 136 after subtracting 1854 from 1990.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1360, and continue the process.

Going ahead to step 10:
1360 divided by 618 is 2 with a remainder of 124.
Write down 2 as next digit of the result. 
Result so far: 27201.32
If we take 1236 away from 1360, we end up with 124.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1240, and continue the process.

Going ahead to step 11:
1240 divided by 618 is 2 with a remainder of 4.
The next digit of our result is 2. 
Result so far: 27201.322
Subtracting 1236 from 1240 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

After the division, we end up with 27201.322 and a remainder of 0.0004.