18833537052 has 36 divisors (see below), whose sum is σ = 51934906296. Its totient is φ = 5707132320.

The previous prime is 18833537033. The next prime is 18833537053. The reversal of 18833537052 is 25073533881.

18833537052 is a `hidden beast` number, since 1 + 88 + 33 + 537 + 0 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 18833536989 and 18833537007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18833537053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23779323 + ... + 23780114.

It is an arithmetic number, because the mean of its divisors is an integer number (1442636286).

Almost surely, 2^18833537052 is an apocalyptic number.

18833537052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18833537052 is an abundant number, since it is smaller than the sum of its proper divisors (33101369244).

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

18833537052 is a wasteful number, since it uses less digits than its factorization.

18833537052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47559458 (or 47559453 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 18833537052 in words is "eighteen billion, eight hundred thirty-three million, five hundred thirty-seven thousand, fifty-two".