25856365 divided by 16 
We want to divide 25856365 by 16.

On to step 1:
2 divided by 16 is 0 with a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Grab the next digit (5) from the dividend, add it to 2, then carry on: 25 / 16

Going ahead to step 2:
If we divide 25 by 16, we get 1 and a remainder of 9.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 16 from 25, we get 9.
Fetch the next digit (8) from the dividend, attach it to 9 and continue: 98 / 16

Advancing to step 3:
16 goes into 98 6 times with a remainder of 2.
Use 6 as the next digit of our solution. 
Result so far: 16.0
If we subtract 96 from 98, we get 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 16

Step 4:
If we divide 25 by 16, we get 1 and a remainder of 9.
The number 1 becomes the next digit in our result. 
Result so far: 161.0
If we take 16 away from 25, we end up with 9.
Take the next digit (6) from the dividend and append it to 9, then repeat: 96 / 16

Advancing to step 5:
The number 16 fits into 96 6 times, leaving a remainder of 0.
Use 6 as the next digit of our solution. 
Result so far: 1616.0
Deduct 96 from 96 and we're left with 0.
Fetch the next digit (3) from the dividend, attach it to 0 and continue: 3 / 16

Advancing to step 6:
When dividing 3 by 16, we get 0 with a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 16160.0
Deduct 0 from 3 and we're left with 3.
Fetch the next digit (6) from the dividend, attach it to 3 and continue: 36 / 16

Let's proceed to step 7:
When dividing 36 by 16, we get 2 with a remainder of 4.
Put 2 as the next digit of the answer. 
Result so far: 161602.0
The remainder is 4 after subtracting 32 from 36.
Fetch the next digit (5) from the dividend, attach it to 4 and continue: 45 / 16

Going ahead to step 8:
The number 16 fits into 45 2 times, leaving a remainder of 13.
The next digit of our result is 2. 
Result so far: 1616022.0
Deduct 32 from 45 and we're left with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Going ahead to step 9:
The number 16 fits into 130 8 times, leaving a remainder of 2.
Put 8 as the next digit of the answer. 
Result so far: 1616022.8
Subtracting 128 from 130 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 10:
The number 16 fits into 20 1 times, leaving a remainder of 4.
The number 1 becomes the next digit in our result. 
Result so far: 1616022.81
If we subtract 16 from 20, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 11:
16 goes into 40 2 times with a remainder of 8.
The next digit of our result is 2. 
Result so far: 1616022.812
Subtract 32 from 40 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 12:
16 goes into 80 5 times with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 1616022.8125
Subtract 80 from 80 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 13:
16 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 1616022.8125
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 14:
16 can be fit into 0 0 times, resulting in a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 1616022.8125
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 1616022.8125, with a leftover of 0.0.