566689632 has 48 divisors (see below), whose sum is σ = 1527774192. Its totient is φ = 183790080.

The previous prime is 566689603. The next prime is 566689633. The reversal of 566689632 is 236986665.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×566689632² = 642274278032590848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566689633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76219 + ... + 83322.

It is an arithmetic number, because the mean of its divisors is an integer number (31828629).

Almost surely, 2^566689632 is an apocalyptic number.

It is an amenable number.

566689632 is an abundant number, since it is smaller than the sum of its proper divisors (961084560).

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

566689632 is a wasteful number, since it uses less digits than its factorization.

566689632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159591 (or 159583 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 51.

The square root of 566689632 is about 23805.2437920724. The cubic root of 566689632 is about 827.5262056365.

The spelling of 566689632 in words is "five hundred sixty-six million, six hundred eighty-nine thousand, six hundred thirty-two".