18675852112 has 20 divisors (see below), whose sum is σ = 38312961876. Its totient is φ = 8788636160.

The previous prime is 18675852103. The next prime is 18675852119. The reversal of 18675852112 is 21125857681.

It can be written as a sum of positive squares in 2 ways, for example, as 10904371776 + 7771480336 = 104424^2 + 88156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18675852119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34330339 + ... + 34330882.

Almost surely, 2^18675852112 is an apocalyptic number.

It is an amenable number.

18675852112 is an abundant number, since it is smaller than the sum of its proper divisors (19637109764).

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

18675852112 is a wasteful number, since it uses less digits than its factorization.

18675852112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68661246 (or 68661240 counting only the distinct ones).

The product of its digits is 268800, while the sum is 46.

The spelling of 18675852112 in words is "eighteen billion, six hundred seventy-five million, eight hundred fifty-two thousand, one hundred twelve".