Q: What is the negative version of the number 660,623,721?
A: -660,623,721
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:
| 660,623,719 | 660,623,720 | 660,623,722 | 660,623,723 |
| -660,623,719 | -660,623,720 | -660,623,722 | -660,623,723 |