16728334 has 16 divisors (see below), whose sum is σ = 29288448. Its totient is φ = 7016472.

The previous prime is 16728319. The next prime is 16728347. The reversal of 16728334 is 43382761.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16728334.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12054 + ... + 13369.

It is an arithmetic number, because the mean of its divisors is an integer number (1830528).

Almost surely, 2^16728334 is an apocalyptic number.

16728334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16728334 is a deficient number, since it is larger than the sum of its proper divisors (12560114).

16728334 is a wasteful number, since it uses less digits than its factorization.

16728334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25479.

The product of its digits is 24192, while the sum is 34.

The square root of 16728334 is about 4090.0286062569. The cubic root of 16728334 is about 255.7511314336.

The spelling of 16728334 in words is "sixteen million, seven hundred twenty-eight thousand, three hundred thirty-four".