Q: What is the negative version of the number 261,644,163?
A: -261,644,163
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:
| 261,644,161 | 261,644,162 | 261,644,164 | 261,644,165 |
| -261,644,161 | -261,644,162 | -261,644,164 | -261,644,165 |