64016064 has 84 divisors (see below), whose sum is σ = 209716624. Its totient is φ = 18289152.

The previous prime is 64016059. The next prime is 64016087. The reversal of 64016064 is 46061046.

64016064 is a `hidden beast` number, since 640 + 16 + 0 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3907 + ... + 11970.

Almost surely, 2^64016064 is an apocalyptic number.

64016064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64016064 is an abundant number, since it is smaller than the sum of its proper divisors (145700560).

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

64016064 is a wasteful number, since it uses less digits than its factorization.

64016064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15902 (or 15889 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 64016064 is about 8001.0039370069. The cubic root of 64016064 is about 400.0334638670.

The spelling of 64016064 in words is "sixty-four million, sixteen thousand, sixty-four".