18347732122 has 16 divisors (see below), whose sum is σ = 28478187360. Its totient is φ = 8855171248.

The previous prime is 18347732089. The next prime is 18347732131. The reversal of 18347732122 is 22123774381.

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, 188853 + ... + 268999.

It is an arithmetic number, because the mean of its divisors is an integer number (1779886710).

Almost surely, 2^18347732122 is an apocalyptic number.

18347732122 is a deficient number, since it is larger than the sum of its proper divisors (10130455238).

18347732122 is a wasteful number, since it uses less digits than its factorization.

18347732122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84125.

The product of its digits is 112896, while the sum is 40.

The spelling of 18347732122 in words is "eighteen billion, three hundred forty-seven million, seven hundred thirty-two thousand, one hundred twenty-two".