64001033351564 has 24 divisors (see below), whose sum is σ = 119511662865840. Its totient is φ = 29900987460864.

The previous prime is 64001033351551. The next prime is 64001033351669. The reversal of 64001033351564 is 46515333010046.

It is a super-2 number, since 2×64001033351564² (a number of 28 digits) contains 22 as substring.

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, 5767931849 + ... + 5767942944.

It is an arithmetic number, because the mean of its divisors is an integer number (4979652619410).

Almost surely, 2^{64001033351564} is an apocalyptic number.

It is an amenable number.

64001033351564 is a deficient number, since it is larger than the sum of its proper divisors (55510629514276).

64001033351564 is a wasteful number, since it uses less digits than its factorization.

64001033351564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11535874889 (or 11535874887 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 64001033351564 in words is "sixty-four trillion, one billion, thirty-three million, three hundred fifty-one thousand, five hundred sixty-four".