216708168 has 32 divisors (see below), whose sum is σ = 542144160. Its totient is φ = 72186240.

The previous prime is 216708161. The next prime is 216708203. The reversal of 216708168 is 861807612.

It is not an unprimeable number, because it can be changed into a prime (216708161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53163 + ... + 57093.

It is an arithmetic number, because the mean of its divisors is an integer number (16942005).

Almost surely, 2^216708168 is an apocalyptic number.

It is an amenable number.

216708168 is an abundant number, since it is smaller than the sum of its proper divisors (325435992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216708168 is a wasteful number, since it uses less digits than its factorization.

216708168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6237 (or 6233 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 216708168 is about 14721.0111065782. The cubic root of 216708168 is about 600.6549958184.

The spelling of 216708168 in words is "two hundred sixteen million, seven hundred eight thousand, one hundred sixty-eight".