64915608 has 16 divisors (see below), whose sum is σ = 162289080. Its totient is φ = 21638528.

The previous prime is 64915607. The next prime is 64915633. The reversal of 64915608 is 80651946.

64915608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64915607) 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, 1352385 + ... + 1352432.

Almost surely, 2^64915608 is an apocalyptic number.

It is an amenable number.

64915608 is an abundant number, since it is smaller than the sum of its proper divisors (97373472).

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

64915608 is a wasteful number, since it uses less digits than its factorization.

64915608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704826 (or 2704822 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 64915608 is about 8057.0222787330. The cubic root of 64915608 is about 401.8984917339.

The spelling of 64915608 in words is "sixty-four million, nine hundred fifteen thousand, six hundred eight".