Subtracting from 66256 its reverse (65266), we obtain a triangular number (990 = T44).
It is a self number, because there is not a number n which added to its sum of digits gives 66256.
It is a congruent number.
It is an unprimeable number.
266256 is an apocalyptic number.
It is an amenable number.
66256 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.
66256 is a wasteful number, since it uses less digits than its factorization.
66256 is an odious number, because the sum of its binary digits is odd.
The square root of 66256 is about 257.4024086911. The cubic root of 66256 is about 40.4645831714.
The spelling of 66256 in words is "sixty-six thousand, two hundred fifty-six".