18185361122 has 16 divisors (see below), whose sum is σ = 28482399360. Its totient is φ = 8697088848.

The previous prime is 18185361109. The next prime is 18185361163. The reversal of 18185361122 is 22116358181.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458938 + ... + 1471349.

It is an arithmetic number, because the mean of its divisors is an integer number (1780149960).

Almost surely, 2^18185361122 is an apocalyptic number.

18185361122 is a deficient number, since it is larger than the sum of its proper divisors (10297038238).

18185361122 is a wasteful number, since it uses less digits than its factorization.

18185361122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930425.

The product of its digits is 23040, while the sum is 38.

The spelling of 18185361122 in words is "eighteen billion, one hundred eighty-five million, three hundred sixty-one thousand, one hundred twenty-two".