Q: What is the negative version of the number 660,505,663?
A: -660,505,663
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:
| 660,505,661 | 660,505,662 | 660,505,664 | 660,505,665 |
| -660,505,661 | -660,505,662 | -660,505,664 | -660,505,665 |