18539184852 has 24 divisors (see below), whose sum is σ = 48064553600. Its totient is φ = 6179728248.

The previous prime is 18539184847. The next prime is 18539184863. The reversal of 18539184852 is 25848193581.

18539184852 is a `hidden beast` number, since 1 + 8 + 539 + 18 + 48 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 85829452 + ... + 85829667.

Almost surely, 2^18539184852 is an apocalyptic number.

18539184852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18539184852 is an abundant number, since it is smaller than the sum of its proper divisors (29525368748).

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

18539184852 is a wasteful number, since it uses less digits than its factorization.

18539184852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171659132 (or 171659124 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The spelling of 18539184852 in words is "eighteen billion, five hundred thirty-nine million, one hundred eighty-four thousand, eight hundred fifty-two".