Q: What is the negative version of the number 663,664,355?
A: -663,664,355
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:
| 663,664,353 | 663,664,354 | 663,664,356 | 663,664,357 |
| -663,664,353 | -663,664,354 | -663,664,356 | -663,664,357 |