16889613 has 32 divisors (see below), whose sum is σ = 26664960. Its totient is φ = 9408960.

The previous prime is 16889599. The next prime is 16889617. The reversal of 16889613 is 31698861.

It is not a de Polignac number, because 16889613 - 2⁹ = 16889101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16889617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16548 + ... + 17538.

It is an arithmetic number, because the mean of its divisors is an integer number (833280).

Almost surely, 2^16889613 is an apocalyptic number.

16889613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16889613 is a deficient number, since it is larger than the sum of its proper divisors (9775347).

16889613 is a wasteful number, since it uses less digits than its factorization.

16889613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its digits is 62208, while the sum is 42.

The square root of 16889613 is about 4109.6974341185. The cubic root of 16889613 is about 256.5704087991.

The spelling of 16889613 in words is "sixteen million, eight hundred eighty-nine thousand, six hundred thirteen".