65508080384 has 72 divisors (see below), whose sum is σ = 137060109312. Its totient is φ = 31188833280.

The previous prime is 65508080369. The next prime is 65508080437. The reversal of 65508080384 is 48308080556.

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, 1288079 + ... + 1337969.

Almost surely, 2^65508080384 is an apocalyptic number.

65508080384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65508080384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68530054656).

65508080384 is an abundant number, since it is smaller than the sum of its proper divisors (71552028928).

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

65508080384 is a wasteful number, since it uses less digits than its factorization.

65508080384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50153 (or 50139 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 65508080384 in words is "sixty-five billion, five hundred eight million, eighty thousand, three hundred eighty-four".