• 162 can be written using four 4's:
162 is nontrivially palindromic in base 8.
162 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.
It is an ABA number since it can be written as A⋅BA, here for A=2, B=9.
It is a nude number because it is divisible by every one of its digits.
162 is an undulating number in base 8.
It is a plaindrome in base 5, base 11, base 12 and base 15.
It is a nialpdrome in base 3, base 6, base 7, base 9, base 13, base 14 and base 16.
It is a zygodrome in base 5.
162 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a practical number, because each smaller number is the sum of distinct divisors of 162
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
162 is an equidigital number, since it uses as much as digits as its factorization.
162 is an odious number, because the sum of its binary digits is odd.
The square root of 162 is about 12.7279220614. The cubic root of 162 is about 5.4513617785.
Subtracting 162 from its reverse (261), we obtain a palindrome (99).
The spelling of 162 in words is "one hundred sixty-two", and thus it is an aban number.