18366063 has 8 divisors (see below), whose sum is σ = 24889776. Its totient is φ = 12043200.

The previous prime is 18366059. The next prime is 18366071. The reversal of 18366063 is 36066381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18366063 - 2² = 18366059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18366263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49998 + ... + 50363.

It is an arithmetic number, because the mean of its divisors is an integer number (3111222).

Almost surely, 2^18366063 is an apocalyptic number.

18366063 is a deficient number, since it is larger than the sum of its proper divisors (6523713).

18366063 is a wasteful number, since it uses less digits than its factorization.

18366063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100425.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 18366063 is about 4285.5644902393. The cubic root of 18366063 is about 263.8388163256.

It can be divided in two parts, 183 and 66063, that multiplied together give a square (12089529 = 3477²).

The spelling of 18366063 in words is "eighteen million, three hundred sixty-six thousand, sixty-three".