16326728 has 16 divisors (see below), whose sum is σ = 33395760. Its totient is φ = 7421200.

The previous prime is 16326721. The next prime is 16326763. The reversal of 16326728 is 82762361.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16326721) 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, 92678 + ... + 92853.

It is an arithmetic number, because the mean of its divisors is an integer number (2087235).

Almost surely, 2^16326728 is an apocalyptic number.

It is an amenable number.

16326728 is an abundant number, since it is smaller than the sum of its proper divisors (17069032).

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

16326728 is a wasteful number, since it uses less digits than its factorization.

16326728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185548 (or 185544 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 16326728 is about 4040.6346036235. The cubic root of 16326728 is about 253.6878799947.

The spelling of 16326728 in words is "sixteen million, three hundred twenty-six thousand, seven hundred twenty-eight".