9966512996 has 144 divisors (see below), whose sum is σ = 20952594432. Its totient is φ = 4133088960.

The previous prime is 9966512993. The next prime is 9966513013. The reversal of 9966512996 is 6992156699.

It is not an unprimeable number, because it can be changed into a prime (9966512993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22497551 + ... + 22497993.

It is an arithmetic number, because the mean of its divisors is an integer number (145504128).

Almost surely, 2^9966512996 is an apocalyptic number.

It is an amenable number.

9966512996 is an abundant number, since it is smaller than the sum of its proper divisors (10986081436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9966512996 is a wasteful number, since it uses less digits than its factorization.

9966512996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 569 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 62.

The square root of 9966512996 is about 99832.4245723803. The cubic root of 9966512996 is about 2152.0271485476.

The spelling of 9966512996 in words is "nine billion, nine hundred sixty-six million, five hundred twelve thousand, nine hundred ninety-six".