18946536876 has 24 divisors (see below), whose sum is σ = 49120651440. Its totient is φ = 6315512256.

The previous prime is 18946536863. The next prime is 18946536953. The reversal of 18946536876 is 67863564981.

18946536876 is a `hidden beast` number, since 1 + 8 + 94 + 6 + 536 + 8 + 7 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87715341 + ... + 87715556.

It is an arithmetic number, because the mean of its divisors is an integer number (2046693810).

Almost surely, 2^18946536876 is an apocalyptic number.

It is an amenable number.

18946536876 is an abundant number, since it is smaller than the sum of its proper divisors (30174114564).

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

18946536876 is a wasteful number, since it uses less digits than its factorization.

18946536876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175430910 (or 175430902 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 18946536876 in words is "eighteen billion, nine hundred forty-six million, five hundred thirty-six thousand, eight hundred seventy-six".