64316502520064 has 36 divisors (see below), whose sum is σ = 132523116096000. Its totient is φ = 31120888312320.

The previous prime is 64316502520063. The next prime is 64316502520087. The reversal of 64316502520064 is 46002520561346.

It is a happy number.

It is a super-2 number, since 2×64316502520064² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64316502519997 and 64316502520024.

It is not an unprimeable number, because it can be changed into a prime (64316502520063) 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, 4052191064 + ... + 4052206935.

Almost surely, 2^{64316502520064} is an apocalyptic number.

64316502520064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64316502520064 is an abundant number, since it is smaller than the sum of its proper divisors (68206613575936).

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

64316502520064 is an equidigital number, since it uses as much as digits as its factorization.

64316502520064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104398046 (or 8104398032 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 64316502520064 in words is "sixty-four trillion, three hundred sixteen billion, five hundred two million, five hundred twenty thousand, sixty-four".