Adding to 662 its sum of digits (14), we get a palindrome (676).
662 is nontrivially palindromic in base 15.
662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
662 is an undulating number in base 15.
It is a plaindrome in base 8 and base 13.
It is a nialpdrome in base 10 and base 11.
It is a congruent number.
2662 is an apocalyptic number.
662 is a wasteful number, since it uses less digits than its factorization.
662 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333.
The square root of 662 is about 25.7293606605. The cubic root of 662 is about 8.7153733558.
The spelling of 662 in words is "six hundred sixty-two", and thus it is an aban number.