18305087094 has 72 divisors (see below), whose sum is σ = 46692336600. Its totient is φ = 5166991872.

The previous prime is 18305087089. The next prime is 18305087107. The reversal of 18305087094 is 49078050381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51819 + ... + 198230.

It is an arithmetic number, because the mean of its divisors is an integer number (648504675).

Almost surely, 2^18305087094 is an apocalyptic number.

18305087094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18305087094 is an abundant number, since it is smaller than the sum of its proper divisors (28387249506).

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

18305087094 is a wasteful number, since it uses less digits than its factorization.

18305087094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250154 (or 250144 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 18305087094 in words is "eighteen billion, three hundred five million, eighty-seven thousand, ninety-four".