664303184870 has 16 divisors (see below), whose sum is σ = 1287726174000. Its totient is φ = 245281175904.

The previous prime is 664303184869. The next prime is 664303184947. The reversal of 664303184870 is 78481303466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555012120 + ... + 2555012379.

It is an arithmetic number, because the mean of its divisors is an integer number (80482885875).

Almost surely, 2^664303184870 is an apocalyptic number.

664303184870 is a deficient number, since it is larger than the sum of its proper divisors (623422989130).

664303184870 is a wasteful number, since it uses less digits than its factorization.

664303184870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110024519.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 664303184870 in words is "six hundred sixty-four billion, three hundred three million, one hundred eighty-four thousand, eight hundred seventy".