563241664 has 56 divisors (see below), whose sum is σ = 1183891968. Its totient is φ = 265309440.

The previous prime is 563241629. The next prime is 563241673. The reversal of 563241664 is 466142365.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95769 + ... + 101479.

It is an arithmetic number, because the mean of its divisors is an integer number (21140928).

Almost surely, 2^563241664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563241664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591945984).

563241664 is an abundant number, since it is smaller than the sum of its proper divisors (620650304).

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

563241664 is a wasteful number, since it uses less digits than its factorization.

563241664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5813 (or 5803 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 563241664 is about 23732.7129506932. The cubic root of 563241664 is about 825.8444559343.

The spelling of 563241664 in words is "five hundred sixty-three million, two hundred forty-one thousand, six hundred sixty-four".