18082663 has 2 divisors, whose sum is σ = 18082664. Its totient is φ = 18082662.

The previous prime is 18082651. The next prime is 18082711. The reversal of 18082663 is 36628081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18082663 - 2⁹ = 18082151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18082613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9041331 + 9041332.

It is an arithmetic number, because the mean of its divisors is an integer number (9041332).

Almost surely, 2^18082663 is an apocalyptic number.

18082663 is a deficient number, since it is larger than the sum of its proper divisors (1).

18082663 is an equidigital number, since it uses as much as digits as its factorization.

18082663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 18082663 is about 4252.3714560231. The cubic root of 18082663 is about 262.4747089768.

The spelling of 18082663 in words is "eighteen million, eighty-two thousand, six hundred sixty-three".