264036664556 has 12 divisors (see below), whose sum is σ = 528073329168. Its totient is φ = 113158570512.

The previous prime is 264036664481. The next prime is 264036664561. The reversal of 264036664556 is 655466630462.

264036664556 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 264036664498 and 264036664507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4714940411 + ... + 4714940466.

It is an arithmetic number, because the mean of its divisors is an integer number (44006110764).

Almost surely, 2^264036664556 is an apocalyptic number.

It is an amenable number.

264036664556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

264036664556 is a wasteful number, since it uses less digits than its factorization.

264036664556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9429880888 (or 9429880886 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 264036664556 in words is "two hundred sixty-four billion, thirty-six million, six hundred sixty-four thousand, five hundred fifty-six".