18016501105 has 64 divisors (see below), whose sum is σ = 23863984128. Its totient is φ = 13015918080.

The previous prime is 18016501093. The next prime is 18016501163. The reversal of 18016501105 is 50110561081.

It is not a de Polignac number, because 18016501105 - 2¹⁹ = 18015976817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27845892 + ... + 27846538.

It is an arithmetic number, because the mean of its divisors is an integer number (372874752).

Almost surely, 2^18016501105 is an apocalyptic number.

It is an amenable number.

18016501105 is a deficient number, since it is larger than the sum of its proper divisors (5847483023).

18016501105 is a wasteful number, since it uses less digits than its factorization.

18016501105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 1200, while the sum is 28.

The spelling of 18016501105 in words is "eighteen billion, sixteen million, five hundred one thousand, one hundred five".