18838284152 has 16 divisors (see below), whose sum is σ = 35323376400. Its totient is φ = 9418717120.

The previous prime is 18838284149. The next prime is 18838284173. The reversal of 18838284152 is 25148283881.

It is a self number, because there is not a number n which added to its sum of digits gives 18838284152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214724 + ... + 289452.

It is an arithmetic number, because the mean of its divisors is an integer number (2207711025).

Almost surely, 2^18838284152 is an apocalyptic number.

It is an amenable number.

18838284152 is a deficient number, since it is larger than the sum of its proper divisors (16485092248).

18838284152 is a wasteful number, since it uses less digits than its factorization.

18838284152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106246 (or 106242 counting only the distinct ones).

The product of its digits is 983040, while the sum is 50.

The spelling of 18838284152 in words is "eighteen billion, eight hundred thirty-eight million, two hundred eighty-four thousand, one hundred fifty-two".