16228664 has 16 divisors (see below), whose sum is σ = 30472200. Its totient is φ = 8102752.

The previous prime is 16228651. The next prime is 16228669. The reversal of 16228664 is 46682261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16228669) 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, 8642 + ... + 10350.

Almost surely, 2^16228664 is an apocalyptic number.

It is an amenable number.

16228664 is a deficient number, since it is larger than the sum of its proper divisors (14243536).

16228664 is a wasteful number, since it uses less digits than its factorization.

16228664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902 (or 2898 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 16228664 is about 4028.4815998090. The cubic root of 16228664 is about 253.1789471767.

The spelling of 16228664 in words is "sixteen million, two hundred twenty-eight thousand, six hundred sixty-four".