16887163 has 4 divisors (see below), whose sum is σ = 17118568. Its totient is φ = 16655760.

The previous prime is 16887161. The next prime is 16887191. The reversal of 16887163 is 36178861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16887163 - 2¹ = 16887161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16887161) 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 in 3 ways as a sum of consecutive naturals, for example, 115593 + ... + 115738.

It is an arithmetic number, because the mean of its divisors is an integer number (4279642).

Almost surely, 2^16887163 is an apocalyptic number.

16887163 is a deficient number, since it is larger than the sum of its proper divisors (231405).

16887163 is an equidigital number, since it uses as much as digits as its factorization.

16887163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231404.

The product of its digits is 48384, while the sum is 40.

The square root of 16887163 is about 4109.3993478366. The cubic root of 16887163 is about 256.5580022014.

The spelling of 16887163 in words is "sixteen million, eight hundred eighty-seven thousand, one hundred sixty-three".