18466363 has 2 divisors, whose sum is σ = 18466364. Its totient is φ = 18466362.

The previous prime is 18466361. The next prime is 18466373. The reversal of 18466363 is 36366481.

It is a weak prime.

It is an emirp because it is prime and its reverse (36366481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18466363 - 2¹ = 18466361 is a prime.

Together with 18466361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (18466361) 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 as a sum of consecutive naturals, namely, 9233181 + 9233182.

It is an arithmetic number, because the mean of its divisors is an integer number (9233182).

Almost surely, 2^18466363 is an apocalyptic number.

18466363 is a deficient number, since it is larger than the sum of its proper divisors (1).

18466363 is an equidigital number, since it uses as much as digits as its factorization.

18466363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 18466363 is about 4297.2506326720. The cubic root of 18466363 is about 264.3182332798.

The spelling of 18466363 in words is "eighteen million, four hundred sixty-six thousand, three hundred sixty-three".