571316864 has 16 divisors (see below), whose sum is σ = 1138170570. Its totient is φ = 285658368.

The previous prime is 571316843. The next prime is 571316873. The reversal of 571316864 is 468613175.

It can be written as a sum of positive squares in only one way, i.e., 340033600 + 231283264 = 18440^2 + 15208^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2231579 + ... + 2231834.

Almost surely, 2^571316864 is an apocalyptic number.

It is an amenable number.

571316864 is a deficient number, since it is larger than the sum of its proper divisors (566853706).

571316864 is an equidigital number, since it uses as much as digits as its factorization.

571316864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463427 (or 4463415 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 571316864 is about 23902.2355439821. The cubic root of 571316864 is about 829.7724561325.

The spelling of 571316864 in words is "five hundred seventy-one million, three hundred sixteen thousand, eight hundred sixty-four".