Q: What is the negative version of the number 66,638,168?
A: -66,638,168
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:
| 66,638,166 | 66,638,167 | 66,638,169 | 66,638,170 |
| -66,638,166 | -66,638,167 | -66,638,169 | -66,638,170 |