18153664083 has 8 divisors (see below), whose sum is σ = 26894317200. Its totient is φ = 12102442704.

The previous prime is 18153664079. The next prime is 18153664187. The reversal of 18153664083 is 38046635181.

18153664083 is a `hidden beast` number, since 181 + 5 + 3 + 66 + 408 + 3 = 666.

It is not a de Polignac number, because 18153664083 - 2² = 18153664079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18153664073) by changing a digit.

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, 336178938 + ... + 336178991.

It is an arithmetic number, because the mean of its divisors is an integer number (3361789650).

Almost surely, 2^18153664083 is an apocalyptic number.

18153664083 is a deficient number, since it is larger than the sum of its proper divisors (8740653117).

18153664083 is an equidigital number, since it uses as much as digits as its factorization.

18153664083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672357938 (or 672357932 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 18153664083 in words is "eighteen billion, one hundred fifty-three million, six hundred sixty-four thousand, eighty-three".