16163328 has 80 divisors (see below), whose sum is σ = 45666720. Its totient is φ = 5062656.

The previous prime is 16163327. The next prime is 16163359. The reversal of 16163328 is 82336161.

It is a super-2 number, since 2×16163328² = 522506344071168, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 13.

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 16163295 and 16163304.

It is not an unprimeable number, because it can be changed into a prime (16163327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25803 + ... + 26421.

It is an arithmetic number, because the mean of its divisors is an integer number (570834).

Almost surely, 2^16163328 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 16163328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22833360).

16163328 is an abundant number, since it is smaller than the sum of its proper divisors (29503392).

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

16163328 is an equidigital number, since it uses as much as digits as its factorization.

16163328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 641 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 16163328 is about 4020.3641626101. The cubic root of 16163328 is about 252.8387271760.

Adding to 16163328 its reverse (82336161), we get a palindrome (98499489).

The spelling of 16163328 in words is "sixteen million, one hundred sixty-three thousand, three hundred twenty-eight".