18481223058 has 16 divisors (see below), whose sum is σ = 37863969696. Its totient is φ = 6010153760.

The previous prime is 18481223029. The next prime is 18481223063. The reversal of 18481223058 is 85032218481.

It is a super-3 number, since 3×18481223058³ (a number of 32 digits) contains 333 as substring.

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, 37563216 + ... + 37563707.

It is an arithmetic number, because the mean of its divisors is an integer number (2366498106).

Almost surely, 2^18481223058 is an apocalyptic number.

18481223058 is an abundant number, since it is smaller than the sum of its proper divisors (19382746638).

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

18481223058 is a wasteful number, since it uses less digits than its factorization.

18481223058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75126969.

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 18481223058 in words is "eighteen billion, four hundred eighty-one million, two hundred twenty-three thousand, fifty-eight".