64113331045665 has 64 divisors (see below), whose sum is σ = 117143803183104. Its totient is φ = 29658804000000.

The previous prime is 64113331045627. The next prime is 64113331045859. The reversal of 64113331045665 is 56654013331146.

It is not a de Polignac number, because 64113331045665 - 2⁷ = 64113331045537 is a prime.

It is a super-2 number, since 2×64113331045665² (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 63 ways as a sum of consecutive naturals, for example, 87907086 + ... + 88633415.

It is an arithmetic number, because the mean of its divisors is an integer number (1830371924736).

Almost surely, 2^{64113331045665} is an apocalyptic number.

It is an amenable number.

64113331045665 is a deficient number, since it is larger than the sum of its proper divisors (53030472137439).

64113331045665 is a wasteful number, since it uses less digits than its factorization.

64113331045665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176540622.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 64113331045665 in words is "sixty-four trillion, one hundred thirteen billion, three hundred thirty-one million, forty-five thousand, six hundred sixty-five".