664586134 has 12 divisors (see below), whose sum is σ = 1058969484. Its totient is φ = 312746144.

The previous prime is 664586093. The next prime is 664586149. The reversal of 664586134 is 431685466.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 574324 + ... + 575479.

It is an arithmetic number, because the mean of its divisors is an integer number (88247457).

Almost surely, 2^664586134 is an apocalyptic number.

664586134 is a deficient number, since it is larger than the sum of its proper divisors (394383350).

664586134 is a wasteful number, since it uses less digits than its factorization.

664586134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149839 (or 1149822 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 664586134 is about 25779.5681499904. The cubic root of 664586134 is about 872.6707613983.

The spelling of 664586134 in words is "six hundred sixty-four million, five hundred eighty-six thousand, one hundred thirty-four".