264684654564 has 36 divisors (see below), whose sum is σ = 678846872592. Its totient is φ = 80207470640.

The previous prime is 264684654499. The next prime is 264684654599. The reversal of 264684654564 is 465456486462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 264684654498 and 264684654507.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91143402 + ... + 91146305.

It is an arithmetic number, because the mean of its divisors is an integer number (18856857572).

Almost surely, 2^264684654564 is an apocalyptic number.

It is an amenable number.

264684654564 is an abundant number, since it is smaller than the sum of its proper divisors (414162218028).

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

264684654564 is a wasteful number, since it uses less digits than its factorization.

264684654564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182289736 (or 182289723 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 60.

The spelling of 264684654564 in words is "two hundred sixty-four billion, six hundred eighty-four million, six hundred fifty-four thousand, five hundred sixty-four".