65368382768 has 80 divisors (see below), whose sum is σ = 138592129536. Its totient is φ = 29684793600.

The previous prime is 65368382753. The next prime is 65368382773. The reversal of 65368382768 is 86728386356.

It is a self number, because there is not a number n which added to its sum of digits gives 65368382768.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14644505 + ... + 14648967.

Almost surely, 2^65368382768 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 65368382768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69296064768).

65368382768 is an abundant number, since it is smaller than the sum of its proper divisors (73223746768).

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

65368382768 is a wasteful number, since it uses less digits than its factorization.

65368382768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602 (or 5596 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 62.

The spelling of 65368382768 in words is "sixty-five billion, three hundred sixty-eight million, three hundred eighty-two thousand, seven hundred sixty-eight".