64297164 has 24 divisors (see below), whose sum is σ = 150631488. Its totient is φ = 21346000.

The previous prime is 64297141. The next prime is 64297199. The reversal of 64297164 is 46179246.

It is a happy number.

64297164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7662 + ... + 13685.

It is an arithmetic number, because the mean of its divisors is an integer number (6276312).

Almost surely, 2^64297164 is an apocalyptic number.

It is an amenable number.

64297164 is an abundant number, since it is smaller than the sum of its proper divisors (86334324).

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

64297164 is a wasteful number, since it uses less digits than its factorization.

64297164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21605 (or 21603 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 64297164 is about 8018.5512407167. The cubic root of 64297164 is about 400.6181359445.

The spelling of 64297164 in words is "sixty-four million, two hundred ninety-seven thousand, one hundred sixty-four".