216303368 has 32 divisors (see below), whose sum is σ = 419592960. Its totient is φ = 104427840.

The previous prime is 216303361. The next prime is 216303371. The reversal of 216303368 is 863303612.

It is not an unprimeable number, because it can be changed into a prime (216303361) 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 7 ways as a sum of consecutive naturals, for example, 168746 + ... + 170022.

It is an arithmetic number, because the mean of its divisors is an integer number (13112280).

Almost surely, 2^216303368 is an apocalyptic number.

It is an amenable number.

216303368 is a deficient number, since it is larger than the sum of its proper divisors (203289592).

216303368 is a wasteful number, since it uses less digits than its factorization.

216303368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 216303368 is about 14707.2556243509. The cubic root of 216303368 is about 600.2807648943.

The spelling of 216303368 in words is "two hundred sixteen million, three hundred three thousand, three hundred sixty-eight".