571112164 has 12 divisors (see below), whose sum is σ = 1142224384. Its totient is φ = 244762344.

The previous prime is 571112137. The next prime is 571112173. The reversal of 571112164 is 461211175.

571112164 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 20396863 = 571112164 / (5 + 7 + 1 + 1 + 1 + 2 + 1 + 6 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10198404 + ... + 10198459.

Almost surely, 2^571112164 is an apocalyptic number.

It is an amenable number.

571112164 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.

571112164 is a wasteful number, since it uses less digits than its factorization.

571112164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20396874 (or 20396872 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 571112164 is about 23897.9531341075. The cubic root of 571112164 is about 829.6733431752.

The spelling of 571112164 in words is "five hundred seventy-one million, one hundred twelve thousand, one hundred sixty-four".