18068599 has 2 divisors, whose sum is σ = 18068600. Its totient is φ = 18068598.

The previous prime is 18068591. The next prime is 18068621. The reversal of 18068599 is 99586081.

18068599 is nontrivially palindromic in base 11.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18068599 - 2³ = 18068591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18068591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9034299 + 9034300.

It is an arithmetic number, because the mean of its divisors is an integer number (9034300).

Almost surely, 2^18068599 is an apocalyptic number.

18068599 is a deficient number, since it is larger than the sum of its proper divisors (1).

18068599 is an equidigital number, since it uses as much as digits as its factorization.

18068599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 18068599 is about 4250.7174688516. The cubic root of 18068599 is about 262.4066437488.

The spelling of 18068599 in words is "eighteen million, sixty-eight thousand, five hundred ninety-nine".