646613006 has 8 divisors (see below), whose sum is σ = 1044528744. Its totient is φ = 298436760.

The previous prime is 646612991. The next prime is 646613027. The reversal of 646613006 is 600316646.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12434840 + ... + 12434891.

It is an arithmetic number, because the mean of its divisors is an integer number (130566093).

Almost surely, 2^646613006 is an apocalyptic number.

646613006 is a deficient number, since it is larger than the sum of its proper divisors (397915738).

646613006 is a wasteful number, since it uses less digits than its factorization.

646613006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24869746.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 646613006 is about 25428.5863940566. The cubic root of 646613006 is about 864.7318963733.

The spelling of 646613006 in words is "six hundred forty-six million, six hundred thirteen thousand, six".