18066048099 has 32 divisors (see below), whose sum is σ = 26437065984. Its totient is φ = 10882990080.

The previous prime is 18066048061. The next prime is 18066048101. The reversal of 18066048099 is 99084066081.

It is a happy number.

It is a Cunningham number, because it is equal to 134410²-1.

It is a de Polignac number, because none of the positive numbers 2^k-18066048099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18066048199) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4433527 + ... + 4437599.

It is an arithmetic number, because the mean of its divisors is an integer number (826158312).

Almost surely, 2^18066048099 is an apocalyptic number.

18066048099 is a deficient number, since it is larger than the sum of its proper divisors (8371017885).

18066048099 is a wasteful number, since it uses less digits than its factorization.

18066048099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 18066048099 in words is "eighteen billion, sixty-six million, forty-eight thousand, ninety-nine".