328243661704 has 64 divisors (see below), whose sum is σ = 722394224640. Its totient is φ = 136897024320.

The previous prime is 328243661699. The next prime is 328243661737. The reversal of 328243661704 is 407166342823.

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, 401067 + ... + 904069.

It is an arithmetic number, because the mean of its divisors is an integer number (11287409760).

Almost surely, 2^328243661704 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 328243661704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361197112320).

328243661704 is an abundant number, since it is smaller than the sum of its proper divisors (394150562936).

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

328243661704 is a wasteful number, since it uses less digits than its factorization.

328243661704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503330 (or 503326 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 328243661704 in words is "three hundred twenty-eight billion, two hundred forty-three million, six hundred sixty-one thousand, seven hundred four".