Q: What is the negative version of the number 666,443,637?
A: -666,443,637
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:
| 666,443,635 | 666,443,636 | 666,443,638 | 666,443,639 |
| -666,443,635 | -666,443,636 | -666,443,638 | -666,443,639 |