6648 is nontrivially palindromic in base 11.
It is a nude number because it is divisible by every one of its digits.
It is a plaindrome in base 14.
It is a zygodrome in base 2.
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 6648.
It is an unprimeable number.
26648 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6648 is a wasteful number, since it uses less digits than its factorization.
6648 is an evil number, because the sum of its binary digits is even.
The square root of 6648 is about 81.5352684426. The cubic root of 6648 is about 18.8031381513.
The spelling of 6648 in words is "six thousand, six hundred forty-eight".