Q: What is the negative version of the number 66,515,223?
A: -66,515,223
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:
| 66,515,221 | 66,515,222 | 66,515,224 | 66,515,225 |
| -66,515,221 | -66,515,222 | -66,515,224 | -66,515,225 |