64158872 has 16 divisors (see below), whose sum is σ = 120450240. Its totient is φ = 32038816.

The previous prime is 64158859. The next prime is 64158883. The reversal of 64158872 is 27885146.

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, 2258 + ... + 11550.

It is an arithmetic number, because the mean of its divisors is an integer number (7528140).

Almost surely, 2^64158872 is an apocalyptic number.

It is an amenable number.

64158872 is a deficient number, since it is larger than the sum of its proper divisors (56291368).

64158872 is a wasteful number, since it uses less digits than its factorization.

64158872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10162 (or 10158 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 64158872 is about 8009.9233454509. The cubic root of 64158872 is about 400.3307098355.

The spelling of 64158872 in words is "sixty-four million, one hundred fifty-eight thousand, eight hundred seventy-two".