16081256 has 16 divisors (see below), whose sum is σ = 30420900. Its totient is φ = 7969024.

The previous prime is 16081237. The next prime is 16081259. The reversal of 16081256 is 65218061.

It is a happy number.

16081256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16080100 + 1156 = 4010^2 + 34^2 .

It is not an unprimeable number, because it can be changed into a prime (16081259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7991 + ... + 9798.

Almost surely, 2^16081256 is an apocalyptic number.

It is an amenable number.

16081256 is a deficient number, since it is larger than the sum of its proper divisors (14339644).

16081256 is a wasteful number, since it uses less digits than its factorization.

16081256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17908 (or 17904 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 16081256 is about 4010.1441370604. The cubic root of 16081256 is about 252.4100571723.

The spelling of 16081256 in words is "sixteen million, eighty-one thousand, two hundred fifty-six".