664802058884 has 24 divisors (see below), whose sum is σ = 1170750194880. Its totient is φ = 330303296736.

The previous prime is 664802058857. The next prime is 664802058911. The reversal of 664802058884 is 488850208466.

It is an interprime number because it is at equal distance from previous prime (664802058857) and next prime (664802058911).

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, 1916759 + ... + 2236865.

It is an arithmetic number, because the mean of its divisors is an integer number (48781258120).

Almost surely, 2^664802058884 is an apocalyptic number.

It is an amenable number.

664802058884 is a deficient number, since it is larger than the sum of its proper divisors (505948135996).

664802058884 is a wasteful number, since it uses less digits than its factorization.

664802058884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323387 (or 323385 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 59.

The spelling of 664802058884 in words is "six hundred sixty-four billion, eight hundred two million, fifty-eight thousand, eight hundred eighty-four".