64433164 has 12 divisors (see below), whose sum is σ = 112996800. Its totient is φ = 32148368.

The previous prime is 64433137. The next prime is 64433167. The reversal of 64433164 is 46133446.

It is a happy number.

64433164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64433167) 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, 14899 + ... + 18730.

It is an arithmetic number, because the mean of its divisors is an integer number (9416400).

Almost surely, 2^64433164 is an apocalyptic number.

It is an amenable number.

64433164 is a deficient number, since it is larger than the sum of its proper divisors (48563636).

64433164 is a wasteful number, since it uses less digits than its factorization.

64433164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34112 (or 34110 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 64433164 is about 8027.0270960051. The cubic root of 64433164 is about 400.9003966937.

The spelling of 64433164 in words is "sixty-four million, four hundred thirty-three thousand, one hundred sixty-four".