16889266 has 8 divisors (see below), whose sum is σ = 25365420. Its totient is φ = 8434128.

The previous prime is 16889261. The next prime is 16889287. The reversal of 16889266 is 66298861.

It can be written as a sum of positive squares in 2 ways, for example, as 12567025 + 4322241 = 3545^2 + 2079^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16889261) 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 3 ways as a sum of consecutive naturals, for example, 3061 + ... + 6568.

Almost surely, 2^16889266 is an apocalyptic number.

16889266 is a deficient number, since it is larger than the sum of its proper divisors (8476154).

16889266 is an equidigital number, since it uses as much as digits as its factorization.

16889266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10508.

The product of its digits is 248832, while the sum is 46.

The square root of 16889266 is about 4109.6552166818. The cubic root of 16889266 is about 256.5686516927.

The spelling of 16889266 in words is "sixteen million, eight hundred eighty-nine thousand, two hundred sixty-six".