99009656964 has 63 divisors (see below), whose sum is σ = 259826100807. Its totient is φ = 32997555144.

The previous prime is 99009656957. The next prime is 99009657017. The reversal of 99009656964 is 46965690099.

The square root of 99009656964 is 314658.

It is a perfect power (a square), and thus also a powerful number.

99009656964 is a `hidden beast` number, since 9 + 9 + 0 + 0 + 9 + 6 + 569 + 64 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 16988619 + ... + 16994445.

Almost surely, 2^99009656964 is an apocalyptic number.

99009656964 is the 314658-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99009656964

99009656964 is an abundant number, since it is smaller than the sum of its proper divisors (160816443843).

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

99009656964 is an frugal number, since it uses more digits than its factorization.

99009656964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11676 (or 5832 counting only the distinct ones).

The product of its (nonzero) digits is 28343520, while the sum is 63.

The spelling of 99009656964 in words is "ninety-nine billion, nine million, six hundred fifty-six thousand, nine hundred sixty-four".