99665504 has 24 divisors (see below), whose sum is σ = 197542800. Its totient is φ = 49495936.

The previous prime is 99665483. The next prime is 99665537. The reversal of 99665504 is 40556699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5684 + ... + 15219.

It is an arithmetic number, because the mean of its divisors is an integer number (8230950).

Almost surely, 2^99665504 is an apocalyptic number.

It is an amenable number.

99665504 is a deficient number, since it is larger than the sum of its proper divisors (97877296).

99665504 is a wasteful number, since it uses less digits than its factorization.

99665504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21062 (or 21054 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 99665504 is about 9983.2611906130. The cubic root of 99665504 is about 463.6407742803.

The spelling of 99665504 in words is "ninety-nine million, six hundred sixty-five thousand, five hundred four".