The square root of 281474976710656 is 16777216.
The cubic root of 281474976710656 is 65536.
It is a Jordan-Polya number, since it can be written as (2!)48.
It is a Duffinian number.
It is a nialpdrome in base 2, base 4, base 8 and base 16.
It is an unprimeable number.
In principle, a polygon with 281474976710656 sides can be constructed with ruler and compass.
It is an impolite number, since it cannot be written as a nontrivial sum of consecutive naturals.
Almost surely, 2281474976710656 is an apocalyptic number.
281474976710656 is the 16777216-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 281474976710656
281474976710656 is an frugal number, since it uses more digits than its factorization.
281474976710656 is an odious number, because the sum of its binary digits is odd.
The spelling of 281474976710656 in words is "two hundred eighty-one trillion, four hundred seventy-four billion, nine hundred seventy-six million, seven hundred ten thousand, six hundred fifty-six".