18326063 has 16 divisors (see below), whose sum is σ = 21687360. Its totient is φ = 15158016.

The previous prime is 18326027. The next prime is 18326071. The reversal of 18326063 is 36062381.

It is a cyclic number.

It is not a de Polignac number, because 18326063 - 2⁸ = 18325807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18326083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44603 + ... + 45011.

It is an arithmetic number, because the mean of its divisors is an integer number (1355460).

Almost surely, 2^18326063 is an apocalyptic number.

18326063 is a deficient number, since it is larger than the sum of its proper divisors (3361297).

18326063 is a wasteful number, since it uses less digits than its factorization.

18326063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 18326063 is about 4280.8951166783. The cubic root of 18326063 is about 263.6471362766.

The spelling of 18326063 in words is "eighteen million, three hundred twenty-six thousand, sixty-three".