64830317064 has 32 divisors (see below), whose sum is σ = 162118908000. Its totient is φ = 21604356992.

The previous prime is 64830317053. The next prime is 64830317077. The reversal of 64830317064 is 46071303846.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 266709 + ... + 448100.

It is an arithmetic number, because the mean of its divisors is an integer number (5066215875).

Almost surely, 2^64830317064 is an apocalyptic number.

It is an amenable number.

64830317064 is an abundant number, since it is smaller than the sum of its proper divisors (97288590936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64830317064 is a wasteful number, since it uses less digits than its factorization.

64830317064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718597 (or 718593 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 64830317064 in words is "sixty-four billion, eight hundred thirty million, three hundred seventeen thousand, sixty-four".