18416163 has 8 divisors (see below), whose sum is σ = 24595648. Its totient is φ = 12257064.

The previous prime is 18416161. The next prime is 18416171. The reversal of 18416163 is 36161481.

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

It is not a de Polignac number, because 18416163 - 2¹ = 18416161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18416163.

It is not an unprimeable number, because it can be changed into a prime (18416161) 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, 2845 + ... + 6702.

It is an arithmetic number, because the mean of its divisors is an integer number (3074456).

Almost surely, 2^18416163 is an apocalyptic number.

18416163 is a deficient number, since it is larger than the sum of its proper divisors (6179485).

18416163 is an equidigital number, since it uses as much as digits as its factorization.

18416163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10193.

The product of its digits is 3456, while the sum is 30.

The square root of 18416163 is about 4291.4057137493. The cubic root of 18416163 is about 264.0785033985.

The spelling of 18416163 in words is "eighteen million, four hundred sixteen thousand, one hundred sixty-three".