18066944179 has 2 divisors, whose sum is σ = 18066944180. Its totient is φ = 18066944178.

The previous prime is 18066944177. The next prime is 18066944183. The reversal of 18066944179 is 97144966081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18066944179 - 2¹ = 18066944177 is a prime.

Together with 18066944177, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (18066944173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9033472089 + 9033472090.

It is an arithmetic number, because the mean of its divisors is an integer number (9033472090).

Almost surely, 2^18066944179 is an apocalyptic number.

18066944179 is a deficient number, since it is larger than the sum of its proper divisors (1).

18066944179 is an equidigital number, since it uses as much as digits as its factorization.

18066944179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 18066944179 in words is "eighteen billion, sixty-six million, nine hundred forty-four thousand, one hundred seventy-nine".