216268 has 12 divisors (see below), whose sum is σ = 407680. Its totient is φ = 99792.

The previous prime is 216263. The next prime is 216289. The reversal of 216268 is 862612.

216268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2028 + ... + 2131.

2²¹⁶²⁶⁸ is an apocalyptic number.

It is an amenable number.

216268 is a deficient number, since it is larger than the sum of its proper divisors (191412).

216268 is a wasteful number, since it uses less digits than its factorization.

216268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176 (or 4174 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 216268 is about 465.0462342606. The cubic root of 216268 is about 60.0248045590.

It can be divided in two parts, 216 and 268, that added together give a palindrome (484).

The spelling of 216268 in words is "two hundred sixteen thousand, two hundred sixty-eight".