64564150 has 48 divisors (see below), whose sum is σ = 141999840. Its totient is φ = 21369600.

The previous prime is 64564111. The next prime is 64564163. The reversal of 64564150 is 5146546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6970 + ... + 13330.

It is an arithmetic number, because the mean of its divisors is an integer number (2958330).

Almost surely, 2^64564150 is an apocalyptic number.

64564150 is an abundant number, since it is smaller than the sum of its proper divisors (77435690).

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

64564150 is a wasteful number, since it uses less digits than its factorization.

64564150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409 (or 6404 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 64564150 is about 8035.1820141177. The cubic root of 64564150 is about 401.1718759143.

The spelling of 64564150 in words is "sixty-four million, five hundred sixty-four thousand, one hundred fifty".