18346931106 has 32 divisors (see below), whose sum is σ = 42646625280. Its totient is φ = 5153132496.

The previous prime is 18346931081. The next prime is 18346931123. The reversal of 18346931106 is 60113964381.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3699486 + ... + 3704441.

It is an arithmetic number, because the mean of its divisors is an integer number (1332707040).

Almost surely, 2^18346931106 is an apocalyptic number.

18346931106 is an abundant number, since it is smaller than the sum of its proper divisors (24299694174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18346931106 is a wasteful number, since it uses less digits than its factorization.

18346931106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403998.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 18346931106 in words is "eighteen billion, three hundred forty-six million, nine hundred thirty-one thousand, one hundred six".