64321116848 has 40 divisors (see below), whose sum is σ = 127688285760. Its totient is φ = 31369628160.

The previous prime is 64321116773. The next prime is 64321116851. The reversal of 64321116848 is 84861112346.

It is a junction number, because it is equal to n+sod(n) for n = 64321116799 and 64321116808.

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, 5083586 + ... + 5096222.

It is an arithmetic number, because the mean of its divisors is an integer number (3192207144).

Almost surely, 2^64321116848 is an apocalyptic number.

It is an amenable number.

64321116848 is a deficient number, since it is larger than the sum of its proper divisors (63367168912).

64321116848 is a wasteful number, since it uses less digits than its factorization.

64321116848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20445 (or 20439 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The spelling of 64321116848 in words is "sixty-four billion, three hundred twenty-one million, one hundred sixteen thousand, eight hundred forty-eight".