64960328364 has 12 divisors (see below), whose sum is σ = 151574099544. Its totient is φ = 21653442784.

The previous prime is 64960328359. The next prime is 64960328393. The reversal of 64960328364 is 46382306946.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×64960328364² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2706680337 + ... + 2706680360.

It is an arithmetic number, because the mean of its divisors is an integer number (12631174962).

Almost surely, 2^64960328364 is an apocalyptic number.

It is an amenable number.

64960328364 is an abundant number, since it is smaller than the sum of its proper divisors (86613771180).

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

64960328364 is a wasteful number, since it uses less digits than its factorization.

64960328364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413360704 (or 5413360702 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 51.

The spelling of 64960328364 in words is "sixty-four billion, nine hundred sixty million, three hundred twenty-eight thousand, three hundred sixty-four".