18321055195233 has 96 divisors (see below), whose sum is σ = 30089073907200. Its totient is φ = 9859599542016.

The previous prime is 18321055195231. The next prime is 18321055195237. The reversal of 18321055195233 is 33259155012381.

It is not a de Polignac number, because 18321055195233 - 2¹ = 18321055195231 is a prime.

It is a super-2 number, since 2×18321055195233² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18321055195231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 324945741 + ... + 325002117.

It is an arithmetic number, because the mean of its divisors is an integer number (313427853200).

Almost surely, 2^{18321055195233} is an apocalyptic number.

It is an amenable number.

18321055195233 is a deficient number, since it is larger than the sum of its proper divisors (11768018711967).

18321055195233 is a wasteful number, since it uses less digits than its factorization.

18321055195233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57099 (or 57092 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 18321055195233 in words is "eighteen trillion, three hundred twenty-one billion, fifty-five million, one hundred ninety-five thousand, two hundred thirty-three".