18133099 has 2 divisors, whose sum is σ = 18133100. Its totient is φ = 18133098.

The previous prime is 18133097. The next prime is 18133133. The reversal of 18133099 is 99033181.

It is an a-pointer prime, because the next prime (18133133) can be obtained adding 18133099 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18133099 - 2¹ = 18133097 is a prime.

Together with 18133097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (18133097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9066549 + 9066550.

It is an arithmetic number, because the mean of its divisors is an integer number (9066550).

Almost surely, 2^18133099 is an apocalyptic number.

18133099 is a deficient number, since it is larger than the sum of its proper divisors (1).

18133099 is an equidigital number, since it uses as much as digits as its factorization.

18133099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 18133099 is about 4258.2976645603. The cubic root of 18133099 is about 262.7185131393.

The spelling of 18133099 in words is "eighteen million, one hundred thirty-three thousand, ninety-nine".