18768168273 has 32 divisors (see below), whose sum is σ = 26462085120. Its totient is φ = 11815908480.

The previous prime is 18768168259. The next prime is 18768168311. The reversal of 18768168273 is 37286186781.

It is not a de Polignac number, because 18768168273 - 2⁴ = 18768168257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18768168233) 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 31 ways as a sum of consecutive naturals, for example, 739236 + ... + 764202.

It is an arithmetic number, because the mean of its divisors is an integer number (826940160).

Almost surely, 2^18768168273 is an apocalyptic number.

It is an amenable number.

18768168273 is a deficient number, since it is larger than the sum of its proper divisors (7693916847).

18768168273 is a wasteful number, since it uses less digits than its factorization.

18768168273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25197.

The product of its digits is 5419008, while the sum is 57.

The spelling of 18768168273 in words is "eighteen billion, seven hundred sixty-eight million, one hundred sixty-eight thousand, two hundred seventy-three".