18160338500 has 48 divisors (see below), whose sum is σ = 39689569920. Its totient is φ = 7259119200.

The previous prime is 18160338467. The next prime is 18160338503. The reversal of 18160338500 is 583306181.

It is not an unprimeable number, because it can be changed into a prime (18160338503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759731 + ... + 783269.

It is an arithmetic number, because the mean of its divisors is an integer number (826866040).

Almost surely, 2^18160338500 is an apocalyptic number.

18160338500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18160338500 is an abundant number, since it is smaller than the sum of its proper divisors (21529231420).

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

18160338500 is a wasteful number, since it uses less digits than its factorization.

18160338500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25101 (or 25089 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 18160338500 in words is "eighteen billion, one hundred sixty million, three hundred thirty-eight thousand, five hundred".