18836863168 has 14 divisors (see below), whose sum is σ = 37379400476. Its totient is φ = 9418431552.

The previous prime is 18836863159. The next prime is 18836863187. The reversal of 18836863168 is 86136863881.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147162930 + ... + 147163057.

Almost surely, 2^18836863168 is an apocalyptic number.

It is an amenable number.

18836863168 is a deficient number, since it is larger than the sum of its proper divisors (18542537308).

18836863168 is an equidigital number, since it uses as much as digits as its factorization.

18836863168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294325999 (or 294325989 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 58.

The spelling of 18836863168 in words is "eighteen billion, eight hundred thirty-six million, eight hundred sixty-three thousand, one hundred sixty-eight".