564532666 has 8 divisors (see below), whose sum is σ = 847677600. Its totient is φ = 281973468.

The previous prime is 564532663. The next prime is 564532667. The reversal of 564532666 is 666235465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (564532663) 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, 144016 + ... + 147883.

It is an arithmetic number, because the mean of its divisors is an integer number (105959700).

Almost surely, 2^564532666 is an apocalyptic number.

564532666 is a deficient number, since it is larger than the sum of its proper divisors (283144934).

564532666 is a wasteful number, since it uses less digits than its factorization.

564532666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292868.

The product of its digits is 777600, while the sum is 43.

The square root of 564532666 is about 23759.8961698068. The cubic root of 564532666 is about 826.4749450972.

The spelling of 564532666 in words is "five hundred sixty-four million, five hundred thirty-two thousand, six hundred sixty-six".