216239168 has 28 divisors (see below), whose sum is σ = 430651920. Its totient is φ = 107728512.

The previous prime is 216239161. The next prime is 216239183. The reversal of 216239168 is 861932612.

It is a happy number.

It is a super-3 number, since 3×216239168³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (216239161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12143 + ... + 24081.

Almost surely, 2^216239168 is an apocalyptic number.

It is an amenable number.

216239168 is a deficient number, since it is larger than the sum of its proper divisors (214412752).

216239168 is a wasteful number, since it uses less digits than its factorization.

216239168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12234 (or 12224 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 216239168 is about 14705.0728661914. The cubic root of 216239168 is about 600.2213701672.

The spelling of 216239168 in words is "two hundred sixteen million, two hundred thirty-nine thousand, one hundred sixty-eight".