664132006 has 16 divisors (see below), whose sum is σ = 1012414464. Its totient is φ = 326673864.

The previous prime is 664131991. The next prime is 664132039. The reversal of 664132006 is 600231466.

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 7 ways as a sum of consecutive naturals, for example, 112771 + ... + 118513.

It is an arithmetic number, because the mean of its divisors is an integer number (63275904).

Almost surely, 2^664132006 is an apocalyptic number.

664132006 is a deficient number, since it is larger than the sum of its proper divisors (348282458).

664132006 is a wasteful number, since it uses less digits than its factorization.

664132006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 664132006 is about 25770.7587393154. The cubic root of 664132006 is about 872.4719436631.

The spelling of 664132006 in words is "six hundred sixty-four million, one hundred thirty-two thousand, six".