664553006 has 32 divisors (see below), whose sum is σ = 1132185600. Its totient is φ = 290014560.

The previous prime is 664552991. The next prime is 664553011. The reversal of 664553006 is 600355466.

664553006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354251 + ... + 356121.

It is an arithmetic number, because the mean of its divisors is an integer number (35380800).

Almost surely, 2^664553006 is an apocalyptic number.

664553006 is a deficient number, since it is larger than the sum of its proper divisors (467632594).

664553006 is a wasteful number, since it uses less digits than its factorization.

664553006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 664553006 is about 25778.9256176436. The cubic root of 664553006 is about 872.6562609868.

The spelling of 664553006 in words is "six hundred sixty-four million, five hundred fifty-three thousand, six".