16310889 has 48 divisors (see below), whose sum is σ = 28700672. Its totient is φ = 9062928.

The previous prime is 16310863. The next prime is 16310891. The reversal of 16310889 is 98801361.

It is not a de Polignac number, because 16310889 - 2⁷ = 16310761 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16310849) 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 47 ways as a sum of consecutive naturals, for example, 73032 + ... + 73254.

Almost surely, 2^16310889 is an apocalyptic number.

It is an amenable number.

16310889 is a deficient number, since it is larger than the sum of its proper divisors (12389783).

16310889 is an equidigital number, since it uses as much as digits as its factorization.

16310889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 16310889 is about 4038.6741636334. The cubic root of 16310889 is about 253.6058169626.

The spelling of 16310889 in words is "sixteen million, three hundred ten thousand, eight hundred eighty-nine".