64960373456 has 40 divisors (see below), whose sum is σ = 144529068000. Its totient is φ = 27973365120.

The previous prime is 64960373431. The next prime is 64960373483. The reversal of 64960373456 is 65437306946.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64960373398 and 64960373407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9709631 + ... + 9716318.

It is an arithmetic number, because the mean of its divisors is an integer number (3613226700).

Almost surely, 2^64960373456 is an apocalyptic number.

It is an amenable number.

64960373456 is an abundant number, since it is smaller than the sum of its proper divisors (79568694544).

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

64960373456 is a wasteful number, since it uses less digits than its factorization.

64960373456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19425987 (or 19425981 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 53.

The spelling of 64960373456 in words is "sixty-four billion, nine hundred sixty million, three hundred seventy-three thousand, four hundred fifty-six".