Q: What is the negative version of the number 216,506,561?
A: -216,506,561
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:
| 216,506,559 | 216,506,560 | 216,506,562 | 216,506,563 |
| -216,506,559 | -216,506,560 | -216,506,562 | -216,506,563 |