9156545664 has 128 divisors (see below), whose sum is σ = 29259801600. Its totient is φ = 2478449664.

The previous prime is 9156545647. The next prime is 9156545677. The reversal of 9156545664 is 4665456519.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38572 + ... + 140715.

It is an arithmetic number, because the mean of its divisors is an integer number (228592200).

Almost surely, 2^9156545664 is an apocalyptic number.

It is an amenable number.

9156545664 is an abundant number, since it is smaller than the sum of its proper divisors (20103255936).

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

9156545664 is a wasteful number, since it uses less digits than its factorization.

9156545664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179330 (or 179318 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 51.

The square root of 9156545664 is about 95689.8409654860. The cubic root of 9156545664 is about 2092.0748656772.

The spelling of 9156545664 in words is "nine billion, one hundred fifty-six million, five hundred forty-five thousand, six hundred sixty-four".