18322748199 has 12 divisors (see below), whose sum is σ = 30247076496. Its totient is φ = 10470141792.

The previous prime is 18322748141. The next prime is 18322748201. The reversal of 18322748199 is 99184722381.

18322748199 is a `hidden beast` number, since 183 + 2 + 274 + 8 + 199 = 666.

It is not a de Polignac number, because 18322748199 - 2¹² = 18322744103 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18322748099) 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 11 ways as a sum of consecutive naturals, for example, 145418574 + ... + 145418699.

It is an arithmetic number, because the mean of its divisors is an integer number (2520589708).

Almost surely, 2^18322748199 is an apocalyptic number.

18322748199 is a deficient number, since it is larger than the sum of its proper divisors (11924328297).

18322748199 is a wasteful number, since it uses less digits than its factorization.

18322748199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290837286 (or 290837283 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 18322748199 in words is "eighteen billion, three hundred twenty-two million, seven hundred forty-eight thousand, one hundred ninety-nine".