52816532664 has 64 divisors (see below), whose sum is σ = 150938979840. Its totient is φ = 15086977920.

The previous prime is 52816532621. The next prime is 52816532669. The reversal of 52816532664 is 46623561825.

It is a super-2 number, since 2×52816532664² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52816532669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749674 + ... + 817094.

It is an arithmetic number, because the mean of its divisors is an integer number (2358421560).

Almost surely, 2^52816532664 is an apocalyptic number.

It is an amenable number.

52816532664 is an abundant number, since it is smaller than the sum of its proper divisors (98122447176).

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

52816532664 is a wasteful number, since it uses less digits than its factorization.

52816532664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72100 (or 72096 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The spelling of 52816532664 in words is "fifty-two billion, eight hundred sixteen million, five hundred thirty-two thousand, six hundred sixty-four".