563286664 has 16 divisors (see below), whose sum is σ = 1058521500. Its totient is φ = 281014272.

The previous prime is 563286623. The next prime is 563286667. The reversal of 563286664 is 466682365.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 458388100 + 104898564 = 21410^2 + 10242^2 .

It is not an unprimeable number, because it can be changed into a prime (563286667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74817 + ... + 82000.

Almost surely, 2^563286664 is an apocalyptic number.

It is an amenable number.

563286664 is a deficient number, since it is larger than the sum of its proper divisors (495234836).

563286664 is a wasteful number, since it uses less digits than its factorization.

563286664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157272 (or 157268 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The square root of 563286664 is about 23733.6609902476. The cubic root of 563286664 is about 825.8664488687.

The spelling of 563286664 in words is "five hundred sixty-three million, two hundred eighty-six thousand, six hundred sixty-four".