216233168 has 20 divisors (see below), whose sum is σ = 419201220. Its totient is φ = 108052224.

The previous prime is 216233159. The next prime is 216233179. The reversal of 216233168 is 861332612.

216233168 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34199104 + 182034064 = 5848^2 + 13492^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35396 + ... + 41052.

It is an arithmetic number, because the mean of its divisors is an integer number (20960061).

Almost surely, 2^216233168 is an apocalyptic number.

It is an amenable number.

216233168 is a deficient number, since it is larger than the sum of its proper divisors (202968052).

216233168 is a wasteful number, since it uses less digits than its factorization.

216233168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8054 (or 8048 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 216233168 is about 14704.8688535464. The cubic root of 216233168 is about 600.2158186575.

The spelling of 216233168 in words is "two hundred sixteen million, two hundred thirty-three thousand, one hundred sixty-eight".