328184398891 has 2 divisors, whose sum is σ = 328184398892. Its totient is φ = 328184398890.

The previous prime is 328184398879. The next prime is 328184398933. The reversal of 328184398891 is 198893481823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328184398891 - 2³⁷ = 190745445419 is a prime.

It is not a weakly prime, because it can be changed into another prime (328184398291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164092199445 + 164092199446.

It is an arithmetic number, because the mean of its divisors is an integer number (164092199446).

Almost surely, 2^328184398891 is an apocalyptic number.

328184398891 is a deficient number, since it is larger than the sum of its proper divisors (1).

328184398891 is an equidigital number, since it uses as much as digits as its factorization.

328184398891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23887872, while the sum is 64.

The spelling of 328184398891 in words is "three hundred twenty-eight billion, one hundred eighty-four million, three hundred ninety-eight thousand, eight hundred ninety-one".