664586427562 has 32 divisors (see below), whose sum is σ = 1002739795200. Its totient is φ = 330347808000.

The previous prime is 664586427497. The next prime is 664586427577. The reversal of 664586427562 is 265724685466.

It is a self number, because there is not a number n which added to its sum of digits gives 664586427562.

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 15 ways as a sum of consecutive naturals, for example, 465070264 + ... + 465071692.

It is an arithmetic number, because the mean of its divisors is an integer number (31335618600).

Almost surely, 2^664586427562 is an apocalyptic number.

664586427562 is a deficient number, since it is larger than the sum of its proper divisors (338153367638).

664586427562 is a wasteful number, since it uses less digits than its factorization.

664586427562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382.

The product of its digits is 116121600, while the sum is 61.

The spelling of 664586427562 in words is "six hundred sixty-four billion, five hundred eighty-six million, four hundred twenty-seven thousand, five hundred sixty-two".