64356136188 has 24 divisors (see below), whose sum is σ = 150676832208. Its totient is φ = 21378829056.

The previous prime is 64356136153. The next prime is 64356136223. The reversal of 64356136188 is 88163165346.

It is an interprime number because it is at equal distance from previous prime (64356136153) and next prime (64356136223).

It is a self number, because there is not a number n which added to its sum of digits gives 64356136188.

It is a congruent number.

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, 9148381 + ... + 9155412.

It is an arithmetic number, because the mean of its divisors is an integer number (6278201342).

Almost surely, 2^64356136188 is an apocalyptic number.

It is an amenable number.

64356136188 is an abundant number, since it is smaller than the sum of its proper divisors (86320696020).

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

64356136188 is a wasteful number, since it uses less digits than its factorization.

64356136188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18304093 (or 18304091 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The spelling of 64356136188 in words is "sixty-four billion, three hundred fifty-six million, one hundred thirty-six thousand, one hundred eighty-eight".