18104950892 has 24 divisors (see below), whose sum is σ = 36486320640. Its totient is φ = 7700032080.

The previous prime is 18104950873. The next prime is 18104950933. The reversal of 18104950892 is 29805940181.

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, 2464292 + ... + 2471627.

It is an arithmetic number, because the mean of its divisors is an integer number (1520263360).

Almost surely, 2^18104950892 is an apocalyptic number.

It is an amenable number.

18104950892 is an abundant number, since it is smaller than the sum of its proper divisors (18381369748).

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

18104950892 is a wasteful number, since it uses less digits than its factorization.

18104950892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936061 (or 4936059 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 47.

The spelling of 18104950892 in words is "eighteen billion, one hundred four million, nine hundred fifty thousand, eight hundred ninety-two".