64596538093968 has 120 divisors (see below), whose sum is σ = 183086984421120. Its totient is φ = 21257525952000.

The previous prime is 64596538093951. The next prime is 64596538094059. The reversal of 64596538093968 is 86939083569546.

It is a happy number.

64596538093968 is a `hidden beast` number, since 6 + 4 + 5 + 9 + 65 + 380 + 93 + 96 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117387468 + ... + 117936468.

It is an arithmetic number, because the mean of its divisors is an integer number (1525724870176).

Almost surely, 2^{64596538093968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64596538093968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91543492210560).

64596538093968 is an abundant number, since it is smaller than the sum of its proper divisors (118490446327152).

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

64596538093968 is a wasteful number, since it uses less digits than its factorization.

64596538093968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559437 (or 559428 counting only the distinct ones).

The product of its (nonzero) digits is 9069926400, while the sum is 81.

The spelling of 64596538093968 in words is "sixty-four trillion, five hundred ninety-six billion, five hundred thirty-eight million, ninety-three thousand, nine hundred sixty-eight".