16890266 has 8 divisors (see below), whose sum is σ = 25383360. Its totient is φ = 8429148.

The previous prime is 16890233. The next prime is 16890277. The reversal of 16890266 is 66209861.

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

It is a Curzon number.

It is an unprimeable number.

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, 6626 + ... + 8813.

It is an arithmetic number, because the mean of its divisors is an integer number (3172920).

Almost surely, 2^16890266 is an apocalyptic number.

16890266 is a deficient number, since it is larger than the sum of its proper divisors (8493094).

16890266 is a wasteful number, since it uses less digits than its factorization.

16890266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15988.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 16890266 is about 4109.7768795885. The cubic root of 16890266 is about 256.5737153346.

The spelling of 16890266 in words is "sixteen million, eight hundred ninety thousand, two hundred sixty-six".