18106675199 has 2 divisors, whose sum is σ = 18106675200. Its totient is φ = 18106675198.

The previous prime is 18106675177. The next prime is 18106675243. The reversal of 18106675199 is 99157660181.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18106675199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18106675199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18106675109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9053337599 + 9053337600.

It is an arithmetic number, because the mean of its divisors is an integer number (9053337600).

Almost surely, 2^18106675199 is an apocalyptic number.

18106675199 is a deficient number, since it is larger than the sum of its proper divisors (1).

18106675199 is an equidigital number, since it uses as much as digits as its factorization.

18106675199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 53.

The spelling of 18106675199 in words is "eighteen billion, one hundred six million, six hundred seventy-five thousand, one hundred ninety-nine".