Q: What is the negative version of the number 644,001,166?
A: -644,001,166
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:
| 644,001,164 | 644,001,165 | 644,001,167 | 644,001,168 |
| -644,001,164 | -644,001,165 | -644,001,167 | -644,001,168 |