64418964 has 24 divisors (see below), whose sum is σ = 150490368. Its totient is φ = 21447360.

The previous prime is 64418953. The next prime is 64418971. The reversal of 64418964 is 46981446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9184 + ... + 14600.

It is an arithmetic number, because the mean of its divisors is an integer number (6270432).

Almost surely, 2^64418964 is an apocalyptic number.

It is an amenable number.

64418964 is an abundant number, since it is smaller than the sum of its proper divisors (86071404).

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

64418964 is a wasteful number, since it uses less digits than its factorization.

64418964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6415 (or 6413 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 64418964 is about 8026.1425354899. The cubic root of 64418964 is about 400.8709439320.

The spelling of 64418964 in words is "sixty-four million, four hundred eighteen thousand, nine hundred sixty-four".