664845182306 has 8 divisors (see below), whose sum is σ = 997271708160. Its totient is φ = 332421279588.

The previous prime is 664845182303. The next prime is 664845182317. The reversal of 664845182306 is 603281548466.

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

It is not an unprimeable number, because it can be changed into a prime (664845182303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202535 + ... + 1170773.

It is an arithmetic number, because the mean of its divisors is an integer number (124658963520).

Almost surely, 2^664845182306 is an apocalyptic number.

664845182306 is a deficient number, since it is larger than the sum of its proper divisors (332426525854).

664845182306 is a wasteful number, since it uses less digits than its factorization.

664845182306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311568.

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 664845182306 in words is "six hundred sixty-four billion, eight hundred forty-five million, one hundred eighty-two thousand, three hundred six".