564661632336 has 20 divisors (see below), whose sum is σ = 1458709216992. Its totient is φ = 188220544096.

The previous prime is 564661632307. The next prime is 564661632341. The reversal of 564661632336 is 633236166465.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5881891956 + ... + 5881892051.

Almost surely, 2^564661632336 is an apocalyptic number.

It is an amenable number.

564661632336 is an abundant number, since it is smaller than the sum of its proper divisors (894047584656).

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

564661632336 is a wasteful number, since it uses less digits than its factorization.

564661632336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11763784018 (or 11763784012 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 51.

The spelling of 564661632336 in words is "five hundred sixty-four billion, six hundred sixty-one million, six hundred thirty-two thousand, three hundred thirty-six".