16051328 has 32 divisors (see below), whose sum is σ = 32359500. Its totient is φ = 7929856.

The previous prime is 16051327. The next prime is 16051351. The reversal of 16051328 is 82315061.

It can be written as a sum of positive squares in 2 ways, for example, as 12334144 + 3717184 = 3512^2 + 1928^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 16051297 and 16051306.

It is not an unprimeable number, because it can be changed into a prime (16051327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10688 + ... + 12096.

Almost surely, 2^16051328 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 16051328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16179750).

16051328 is an abundant number, since it is smaller than the sum of its proper divisors (16308172).

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

16051328 is an equidigital number, since it uses as much as digits as its factorization.

16051328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 16051328 is about 4006.4108626051. The cubic root of 16051328 is about 252.2533774693.

Adding to 16051328 its reverse (82315061), we get a palindrome (98366389).

The spelling of 16051328 in words is "sixteen million, fifty-one thousand, three hundred twenty-eight".