216652 has 6 divisors (see below), whose sum is σ = 379148. Its totient is φ = 108324.

The previous prime is 216649. The next prime is 216653. The reversal of 216652 is 256612.

216652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (216653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27078 + ... + 27085.

2²¹⁶⁶⁵² is an apocalyptic number.

It is an amenable number.

216652 is a deficient number, since it is larger than the sum of its proper divisors (162496).

216652 is a wasteful number, since it uses less digits than its factorization.

216652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54167 (or 54165 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 216652 is about 465.4589133318. The cubic root of 216652 is about 60.0603097290.

It can be divided in two parts, 216 and 652, that added together give a palindrome (868).

The spelling of 216652 in words is "two hundred sixteen thousand, six hundred fifty-two".