18426170100 has 72 divisors (see below), whose sum is σ = 57414068320. Its totient is φ = 4535671680.

The previous prime is 18426170093. The next prime is 18426170117. The reversal of 18426170100 is 107162481.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2358430 + ... + 2366229.

Almost surely, 2^18426170100 is an apocalyptic number.

18426170100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18426170100 is an abundant number, since it is smaller than the sum of its proper divisors (38987898220).

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

18426170100 is a wasteful number, since it uses less digits than its factorization.

18426170100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724689 (or 4724682 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The spelling of 18426170100 in words is "eighteen billion, four hundred twenty-six million, one hundred seventy thousand, one hundred".