328343519616 has 64 divisors (see below), whose sum is σ = 996757121280. Its totient is φ = 93812433408.

The previous prime is 328343519597. The next prime is 328343519653. The reversal of 328343519616 is 616915343823.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 61073116 + ... + 61078491.

It is an arithmetic number, because the mean of its divisors is an integer number (15574330020).

Almost surely, 2^328343519616 is an apocalyptic number.

It is an amenable number.

328343519616 is an abundant number, since it is smaller than the sum of its proper divisors (668413601664).

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

328343519616 is a wasteful number, since it uses less digits than its factorization.

328343519616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122151631 (or 122151619 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 51.

The spelling of 328343519616 in words is "three hundred twenty-eight billion, three hundred forty-three million, five hundred nineteen thousand, six hundred sixteen".