564729216 has 64 divisors (see below), whose sum is σ = 1524716400. Its totient is φ = 185149440.

The previous prime is 564729199. The next prime is 564729227. The reversal of 564729216 is 612927465.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 11370 + ... + 35478.

Almost surely, 2^564729216 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 564729216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762358200).

564729216 is an abundant number, since it is smaller than the sum of its proper divisors (959987184).

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

564729216 is a wasteful number, since it uses less digits than its factorization.

564729216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24187 (or 24175 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 564729216 is about 23764.0319811264. The cubic root of 564729216 is about 826.5708502659.

The spelling of 564729216 in words is "five hundred sixty-four million, seven hundred twenty-nine thousand, two hundred sixteen".