976641133664 has 48 divisors (see below), whose sum is σ = 2206636992000. Its totient is φ = 416809163904.

The previous prime is 976641133513. The next prime is 976641133681. The reversal of 976641133664 is 466331146679.

It is a happy number.

It is a super-2 number, since 2×976641133664² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 9067814 + ... + 9174885.

It is an arithmetic number, because the mean of its divisors is an integer number (45971604000).

Almost surely, 2^976641133664 is an apocalyptic number.

It is an amenable number.

976641133664 is an abundant number, since it is smaller than the sum of its proper divisors (1229995858336).

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

976641133664 is a wasteful number, since it uses less digits than its factorization.

976641133664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18242955 (or 18242947 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 56.

The spelling of 976641133664 in words is "nine hundred seventy-six billion, six hundred forty-one million, one hundred thirty-three thousand, six hundred sixty-four".