328320083091 has 96 divisors (see below), whose sum is σ = 601569835776. Its totient is φ = 156564576000.

The previous prime is 328320083053. The next prime is 328320083123. The reversal of 328320083091 is 190380023823.

It is not a de Polignac number, because 328320083091 - 2¹⁹ = 328319558803 is a prime.

It is a super-2 number, since 2×328320083091² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (328320083041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3761656 + ... + 3847946.

It is an arithmetic number, because the mean of its divisors is an integer number (6266352456).

Almost surely, 2^328320083091 is an apocalyptic number.

328320083091 is a deficient number, since it is larger than the sum of its proper divisors (273249752685).

328320083091 is a wasteful number, since it uses less digits than its factorization.

328320083091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86513 (or 86506 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 328320083091 in words is "three hundred twenty-eight billion, three hundred twenty million, eighty-three thousand, ninety-one".