18327409105 has 16 divisors (see below), whose sum is σ = 22246963200. Its totient is φ = 14492649600.

The previous prime is 18327409091. The next prime is 18327409153. The reversal of 18327409105 is 50190472381.

It is not a de Polignac number, because 18327409105 - 2¹⁷ = 18327278033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2600176 + ... + 2607214.

It is an arithmetic number, because the mean of its divisors is an integer number (1390435200).

Almost surely, 2^18327409105 is an apocalyptic number.

It is an amenable number.

18327409105 is a deficient number, since it is larger than the sum of its proper divisors (3919554095).

18327409105 is an equidigital number, since it uses as much as digits as its factorization.

18327409105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12984.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 18327409105 in words is "eighteen billion, three hundred twenty-seven million, four hundred nine thousand, one hundred five".