18157822099094 has 8 divisors (see below), whose sum is σ = 27901043713368. Its totient is φ = 8857474194640.

The previous prime is 18157822099069. The next prime is 18157822099181. The reversal of 18157822099094 is 49099022875181.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18157822099094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110718427352 + ... + 110718427515.

It is an arithmetic number, because the mean of its divisors is an integer number (3487630464171).

Almost surely, 2^{18157822099094} is an apocalyptic number.

18157822099094 is a deficient number, since it is larger than the sum of its proper divisors (9743221614274).

18157822099094 is a wasteful number, since it uses less digits than its factorization.

18157822099094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221436854910.

The product of its (nonzero) digits is 26127360, while the sum is 65.

The spelling of 18157822099094 in words is "eighteen trillion, one hundred fifty-seven billion, eight hundred twenty-two million, ninety-nine thousand, ninety-four".