64116590361 has 32 divisors (see below), whose sum is σ = 89766144000. Its totient is φ = 40651527168.

The previous prime is 64116590327. The next prime is 64116590383. The reversal of 64116590361 is 16309561146.

It is not a de Polignac number, because 64116590361 - 2⁷ = 64116590233 is a prime.

It is a super-2 number, since 2×64116590361² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64116592361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5131720 + ... + 5144198.

It is an arithmetic number, because the mean of its divisors is an integer number (2805192000).

Almost surely, 2^64116590361 is an apocalyptic number.

It is an amenable number.

64116590361 is a deficient number, since it is larger than the sum of its proper divisors (25649553639).

64116590361 is a wasteful number, since it uses less digits than its factorization.

64116590361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13393.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 64116590361 in words is "sixty-four billion, one hundred sixteen million, five hundred ninety thousand, three hundred sixty-one".