16256728 has 16 divisors (see below), whose sum is σ = 30911760. Its totient is φ = 8013600.

The previous prime is 16256717. The next prime is 16256729. The reversal of 16256728 is 82765261.

It is a happy number.

16256728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16256729) 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, 13743 + ... + 14878.

It is an arithmetic number, because the mean of its divisors is an integer number (1931985).

Almost surely, 2^16256728 is an apocalyptic number.

It is an amenable number.

16256728 is a deficient number, since it is larger than the sum of its proper divisors (14655032).

16256728 is a wasteful number, since it uses less digits than its factorization.

16256728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28698 (or 28694 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 16256728 is about 4031.9632934837. The cubic root of 16256728 is about 253.3248027291.

The spelling of 16256728 in words is "sixteen million, two hundred fifty-six thousand, seven hundred twenty-eight".