66528 is a `hidden beast` number, since 6 + 652 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 66528.
266528 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 66528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66528 is a wasteful number, since it uses less digits than its factorization.
66528 is an evil number, because the sum of its binary digits is even.
The square root of 66528 is about 257.9302231225. The cubic root of 66528 is about 40.5198805002.
The spelling of 66528 in words is "sixty-six thousand, five hundred twenty-eight".