99506564 has 12 divisors (see below), whose sum is σ = 174252624. Its totient is φ = 49720104.

The previous prime is 99506507. The next prime is 99506573. The reversal of 99506564 is 46560599.

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, 794 + ... + 14129.

It is an arithmetic number, because the mean of its divisors is an integer number (14521052).

Almost surely, 2^99506564 is an apocalyptic number.

It is an amenable number.

99506564 is a deficient number, since it is larger than the sum of its proper divisors (74746060).

99506564 is a wasteful number, since it uses less digits than its factorization.

99506564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16594 (or 16592 counting only the distinct ones).

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

The square root of 99506564 is about 9975.2976897935. The cubic root of 99506564 is about 463.3941818653.

The spelling of 99506564 in words is "ninety-nine million, five hundred six thousand, five hundred sixty-four".