18274163 has 8 divisors (see below), whose sum is σ = 18644448. Its totient is φ = 17907264.

The previous prime is 18274127. The next prime is 18274169. The reversal of 18274163 is 36147281.

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

It is a cyclic number.

It is not a de Polignac number, because 18274163 - 2⁸ = 18273907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18274169) 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, 11906 + ... + 13352.

It is an arithmetic number, because the mean of its divisors is an integer number (2330556).

Almost surely, 2^18274163 is an apocalyptic number.

18274163 is a deficient number, since it is larger than the sum of its proper divisors (370285).

18274163 is a wasteful number, since it uses less digits than its factorization.

18274163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its digits is 8064, while the sum is 32.

The square root of 18274163 is about 4274.8290024281. The cubic root of 18274163 is about 263.3980152314.

The spelling of 18274163 in words is "eighteen million, two hundred seventy-four thousand, one hundred sixty-three".