16305328 has 40 divisors (see below), whose sum is σ = 34265168. Its totient is φ = 7471872.

The previous prime is 16305319. The next prime is 16305343. The reversal of 16305328 is 82350361.

16305328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16305296 and 16305305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57475 + ... + 57757.

Almost surely, 2^16305328 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 16305328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17132584).

16305328 is an abundant number, since it is smaller than the sum of its proper divisors (17959840).

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

16305328 is a wasteful number, since it uses less digits than its factorization.

16305328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 16305328 is about 4037.9856364281. The cubic root of 16305328 is about 253.5769924096.

Adding to 16305328 its reverse (82350361), we get a palindrome (98655689).

The spelling of 16305328 in words is "sixteen million, three hundred five thousand, three hundred twenty-eight".