18326107 has 4 divisors (see below), whose sum is σ = 18337176. Its totient is φ = 18315040.

The previous prime is 18326083. The next prime is 18326117. The reversal of 18326107 is 70162381.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70162381 = 1229 ⋅57089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18326107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18326117) 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 3 ways as a sum of consecutive naturals, for example, 2494 + ... + 6547.

It is an arithmetic number, because the mean of its divisors is an integer number (4584294).

Almost surely, 2^18326107 is an apocalyptic number.

18326107 is a deficient number, since it is larger than the sum of its proper divisors (11069).

18326107 is an equidigital number, since it uses as much as digits as its factorization.

18326107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11068.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 18326107 is about 4280.9002557873. The cubic root of 18326107 is about 263.6473472778.

Adding to 18326107 its reverse (70162381), we get a palindrome (88488488).

The spelling of 18326107 in words is "eighteen million, three hundred twenty-six thousand, one hundred seven".