564452161164 has 72 divisors (see below), whose sum is σ = 1431635587200. Its totient is φ = 187514894592.

The previous prime is 564452161157. The next prime is 564452161211. The reversal of 564452161164 is 461161254465.

564452161164 is a `hidden beast` number, since 5 + 6 + 4 + 4 + 5 + 21 + 611 + 6 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26838757 + ... + 26859779.

It is an arithmetic number, because the mean of its divisors is an integer number (19883827600).

Almost surely, 2^564452161164 is an apocalyptic number.

It is an amenable number.

564452161164 is an abundant number, since it is smaller than the sum of its proper divisors (867183426036).

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

564452161164 is a wasteful number, since it uses less digits than its factorization.

564452161164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23519 (or 23514 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 564452161164 in words is "five hundred sixty-four billion, four hundred fifty-two million, one hundred sixty-one thousand, one hundred sixty-four".