Q: What is the negative version of the number 162,644,638?
A: -162,644,638
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:
| 162,644,636 | 162,644,637 | 162,644,639 | 162,644,640 |
| -162,644,636 | -162,644,637 | -162,644,639 | -162,644,640 |