16281056 has 48 divisors (see below), whose sum is σ = 36505728. Its totient is φ = 7075200.

The previous prime is 16281049. The next prime is 16281061. The reversal of 16281056 is 65018261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7091 + ... + 9101.

It is an arithmetic number, because the mean of its divisors is an integer number (760536).

Almost surely, 2^16281056 is an apocalyptic number.

16281056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16281056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18252864).

16281056 is an abundant number, since it is smaller than the sum of its proper divisors (20224672).

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

16281056 is a wasteful number, since it uses less digits than its factorization.

16281056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 2047 counting only the distinct ones).

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

The square root of 16281056 is about 4034.9790581861. The cubic root of 16281056 is about 253.4511055973.

It can be divided in two parts, 162 and 81056, that added together give a palindrome (81218).

The spelling of 16281056 in words is "sixteen million, two hundred eighty-one thousand, fifty-six".