16328 has 16 divisors (see below), whose sum is σ = 33180. Its totient is φ = 7488.

The previous prime is 16319. The next prime is 16333. The reversal of 16328 is 82361.

It can be written as a sum of positive squares in 2 ways, for example, as 14884 + 1444 = 122^2 + 38^2 .

It is an unprimeable number.

16328 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 182.

2¹⁶³²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16590).

16328 is an abundant number, since it is smaller than the sum of its proper divisors (16852).

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

16328 is a wasteful number, since it uses less digits than its factorization.

16328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 172 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 16328 is about 127.7810627597. The cubic root of 16328 is about 25.3694468018.

Adding to 16328 its reverse (82361), we get a palindrome (98689).

It can be divided in two parts, 163 and 28, that added together give a palindrome (191).

The spelling of 16328 in words is "sixteen thousand, three hundred twenty-eight".