18118598854 has 8 divisors (see below), whose sum is σ = 28608314040. Its totient is φ = 8582494176.

The previous prime is 18118598837. The next prime is 18118598899. The reversal of 18118598854 is 45889581181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18118598854² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 238402579 + ... + 238402654.

It is an arithmetic number, because the mean of its divisors is an integer number (3576039255).

Almost surely, 2^18118598854 is an apocalyptic number.

18118598854 is a deficient number, since it is larger than the sum of its proper divisors (10489715186).

18118598854 is a wasteful number, since it uses less digits than its factorization.

18118598854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476805254.

The product of its digits is 3686400, while the sum is 58.

The spelling of 18118598854 in words is "eighteen billion, one hundred eighteen million, five hundred ninety-eight thousand, eight hundred fifty-four".