664358408744 has 16 divisors (see below), whose sum is σ = 1250884036800. Its totient is φ = 330789332272.

The previous prime is 664358408731. The next prime is 664358408759. The reversal of 664358408744 is 447804853466.

It is a super-3 number, since 3×664358408744³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173731982 + ... + 173735805.

It is an arithmetic number, because the mean of its divisors is an integer number (78180252300).

Almost surely, 2^664358408744 is an apocalyptic number.

It is an amenable number.

664358408744 is a deficient number, since it is larger than the sum of its proper divisors (586525628056).

664358408744 is a wasteful number, since it uses less digits than its factorization.

664358408744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347468032 (or 347468028 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 59.

The spelling of 664358408744 in words is "six hundred sixty-four billion, three hundred fifty-eight million, four hundred eight thousand, seven hundred forty-four".