18326133 has 24 divisors (see below), whose sum is σ = 30366336. Its totient is φ = 10432800.

The previous prime is 18326129. The next prime is 18326159. The reversal of 18326133 is 33162381.

It is a happy number.

18326133 is a `hidden beast` number, since 18 + 32 + 613 + 3 = 666.

It is not a de Polignac number, because 18326133 - 2² = 18326129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18326097 and 18326106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18326123) 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 23 ways as a sum of consecutive naturals, for example, 28728 + ... + 29358.

It is an arithmetic number, because the mean of its divisors is an integer number (1265264).

Almost surely, 2^18326133 is an apocalyptic number.

It is an amenable number.

18326133 is a deficient number, since it is larger than the sum of its proper divisors (12040203).

18326133 is a wasteful number, since it uses less digits than its factorization.

18326133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1102 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 18326133 is about 4280.9032925307. The cubic root of 18326133 is about 263.6474719601.

The spelling of 18326133 in words is "eighteen million, three hundred twenty-six thousand, one hundred thirty-three".