16889264 has 20 divisors (see below), whose sum is σ = 37397904. Its totient is φ = 7238208.

The previous prime is 16889261. The next prime is 16889287. The reversal of 16889264 is 46298861.

It is a happy number.

It is a Smith number, since the sum of its digits (44) 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 (16889261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75287 + ... + 75510.

Almost surely, 2^16889264 is an apocalyptic number.

16889264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16889264 is an abundant number, since it is smaller than the sum of its proper divisors (20508640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16889264 is a wasteful number, since it uses less digits than its factorization.

16889264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150812 (or 150806 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 16889264 is about 4109.6549733524. The cubic root of 16889264 is about 256.5686415652.

The spelling of 16889264 in words is "sixteen million, eight hundred eighty-nine thousand, two hundred sixty-four".