64018564 has 24 divisors (see below), whose sum is σ = 114222528. Its totient is φ = 31389600.

The previous prime is 64018531. The next prime is 64018571. The reversal of 64018564 is 46581046.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49494 + ... + 50770.

It is an arithmetic number, because the mean of its divisors is an integer number (4759272).

Almost surely, 2^64018564 is an apocalyptic number.

It is an amenable number.

64018564 is a deficient number, since it is larger than the sum of its proper divisors (50203964).

64018564 is a wasteful number, since it uses less digits than its factorization.

64018564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 64018564 is about 8001.1601658759. The cubic root of 64018564 is about 400.0386712612.

The spelling of 64018564 in words is "sixty-four million, eighteen thousand, five hundred sixty-four".