632664065 has 32 divisors (see below), whose sum is σ = 842244480. Its totient is φ = 452390400.

The previous prime is 632664017. The next prime is 632664077. The reversal of 632664065 is 560466236.

It is not a de Polignac number, because 632664065 - 2¹⁶ = 632598529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1502555 + ... + 1502975.

It is an arithmetic number, because the mean of its divisors is an integer number (26320140).

Almost surely, 2^632664065 is an apocalyptic number.

It is an amenable number.

632664065 is a deficient number, since it is larger than the sum of its proper divisors (209580415).

632664065 is a wasteful number, since it uses less digits than its factorization.

632664065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 632664065 is about 25152.8142560629. The cubic root of 632664065 is about 858.4685494920.

The spelling of 632664065 in words is "six hundred thirty-two million, six hundred sixty-four thousand, sixty-five".