18107699 has 2 divisors, whose sum is σ = 18107700. Its totient is φ = 18107698.

The previous prime is 18107659. The next prime is 18107707. The reversal of 18107699 is 99670181.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18107699 - 2⁸ = 18107443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18107659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9053849 + 9053850.

It is an arithmetic number, because the mean of its divisors is an integer number (9053850).

Almost surely, 2^18107699 is an apocalyptic number.

18107699 is a deficient number, since it is larger than the sum of its proper divisors (1).

18107699 is an equidigital number, since it uses as much as digits as its factorization.

18107699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 18107699 is about 4255.3142069652. The cubic root of 18107699 is about 262.5957878691.

The spelling of 18107699 in words is "eighteen million, one hundred seven thousand, six hundred ninety-nine".