328603065616 has 80 divisors (see below), whose sum is σ = 741162026880. Its totient is φ = 138233226240.

The previous prime is 328603065541. The next prime is 328603065617. The reversal of 328603065616 is 616560306823.

It is not an unprimeable number, because it can be changed into a prime (328603065617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180476 + ... + 1432036.

It is an arithmetic number, because the mean of its divisors is an integer number (9264525336).

Almost surely, 2^328603065616 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 328603065616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370581013440).

328603065616 is an abundant number, since it is smaller than the sum of its proper divisors (412558961264).

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

328603065616 is a wasteful number, since it uses less digits than its factorization.

328603065616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251792 (or 251786 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 328603065616 in words is "three hundred twenty-eight billion, six hundred three million, sixty-five thousand, six hundred sixteen".