18082163 has 8 divisors (see below), whose sum is σ = 20583936. Its totient is φ = 15723400.

The previous prime is 18082157. The next prime is 18082177. The reversal of 18082163 is 36128081.

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

It is not a de Polignac number, because 18082163 - 2¹⁰ = 18081139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18082663) 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, 35483 + ... + 35988.

It is an arithmetic number, because the mean of its divisors is an integer number (2572992).

Almost surely, 2^18082163 is an apocalyptic number.

18082163 is a deficient number, since it is larger than the sum of its proper divisors (2501773).

18082163 is a wasteful number, since it uses less digits than its factorization.

18082163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71505.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 18082163 is about 4252.3126648919. The cubic root of 18082163 is about 262.4722897431.

The spelling of 18082163 in words is "eighteen million, eighty-two thousand, one hundred sixty-three".