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16256 = 27127

16256 has 16 divisors (see below), whose sum is σ = 32640. Its totient is φ = 8064.

The previous prime is 16253. The next prime is 16267. The reversal of 16256 is 65261.

16256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

16256 is an admirable number.

It is a plaindrome in base 11.

It is a nialpdrome in base 2 and base 4.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65 + ... + 191.

It is an arithmetic number, because the mean of its divisors is an integer number (2040).

216256 is an apocalyptic number.

16256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is a pronic number, being equal to 127×128.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16320).

16256 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16256 is an equidigital number, since it uses as much as digits as its factorization.

16256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 129 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 16256 is about 127.4990196041. The cubic root of 16256 is about 25.3321021255.

It can be divided in two parts, 16 and 256, that multiplied together give a 12-th power (4096 = 212).

The spelling of 16256 in words is "sixteen thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 64 127 128 254 508 1016 2032 4064 8128 16256