Q: What is the negative version of the number 666,443,641?
A: -666,443,641
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:
| 666,443,639 | 666,443,640 | 666,443,642 | 666,443,643 |
| -666,443,639 | -666,443,640 | -666,443,642 | -666,443,643 |