64902164 has 12 divisors (see below), whose sum is σ = 113680224. Its totient is φ = 32422104.

The previous prime is 64902091. The next prime is 64902169. The reversal of 64902164 is 46120946.

It is a happy number.

64902164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64902164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64902169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (9473352).

Almost surely, 2^64902164 is an apocalyptic number.

It is an amenable number.

64902164 is a deficient number, since it is larger than the sum of its proper divisors (48778060).

64902164 is a wasteful number, since it uses less digits than its factorization.

64902164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14494 (or 14492 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 64902164 is about 8056.1879322667. The cubic root of 64902164 is about 401.8707454721.

The spelling of 64902164 in words is "sixty-four million, nine hundred two thousand, one hundred sixty-four".