328304821155 has 16 divisors (see below), whose sum is σ = 525328485120. Its totient is φ = 175082314208.

The previous prime is 328304821153. The next prime is 328304821177. The reversal of 328304821155 is 551128403823.

It is a cyclic number.

It is not a de Polignac number, because 328304821155 - 2¹ = 328304821153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328304821153) 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, 648165 + ... + 1037654.

It is an arithmetic number, because the mean of its divisors is an integer number (32833030320).

Almost surely, 2^328304821155 is an apocalyptic number.

328304821155 is a deficient number, since it is larger than the sum of its proper divisors (197023663965).

328304821155 is a wasteful number, since it uses less digits than its factorization.

328304821155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698810.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 328304821155 in words is "three hundred twenty-eight billion, three hundred four million, eight hundred twenty-one thousand, one hundred fifty-five".