64311106392 has 48 divisors (see below), whose sum is σ = 187574063040. Its totient is φ = 19788032448.

The previous prime is 64311106373. The next prime is 64311106397. The reversal of 64311106392 is 29360111346.

64311106392 is a `hidden beast` number, since 6 + 4 + 3 + 1 + 1 + 10 + 639 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64311106397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34353288 + ... + 34355159.

It is an arithmetic number, because the mean of its divisors is an integer number (3907792980).

Almost surely, 2^64311106392 is an apocalyptic number.

It is an amenable number.

64311106392 is an abundant number, since it is smaller than the sum of its proper divisors (123262956648).

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

64311106392 is a wasteful number, since it uses less digits than its factorization.

64311106392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68708472 (or 68708465 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 64311106392 in words is "sixty-four billion, three hundred eleven million, one hundred six thousand, three hundred ninety-two".