Q: What is the negative version of the number 15,661,520?
A: -15,661,520
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 15,661,518 | 15,661,519 | 15,661,521 | 15,661,522 |
| -15,661,518 | -15,661,519 | -15,661,521 | -15,661,522 |