18876868192 has 144 divisors (see below), whose sum is σ = 48060335232. Its totient is φ = 7226634240.

The previous prime is 18876868133. The next prime is 18876868207. The reversal of 18876868192 is 29186867881.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616968 + ... + 646840.

It is an arithmetic number, because the mean of its divisors is an integer number (333752328).

Almost surely, 2^18876868192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18876868192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24030167616).

18876868192 is an abundant number, since it is smaller than the sum of its proper divisors (29183467040).

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

18876868192 is a wasteful number, since it uses less digits than its factorization.

18876868192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29941 (or 29926 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 64.

The spelling of 18876868192 in words is "eighteen billion, eight hundred seventy-six million, eight hundred sixty-eight thousand, one hundred ninety-two".