268916216 has 16 divisors (see below), whose sum is σ = 504453840. Its totient is φ = 134395200.

The previous prime is 268916213. The next prime is 268916257. The reversal of 268916216 is 612619862.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268916213) 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 3 ways as a sum of consecutive naturals, for example, 13820 + ... + 26996.

It is an arithmetic number, because the mean of its divisors is an integer number (31528365).

Almost surely, 2^268916216 is an apocalyptic number.

It is an amenable number.

268916216 is a deficient number, since it is larger than the sum of its proper divisors (235537624).

268916216 is a wasteful number, since it uses less digits than its factorization.

268916216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15734 (or 15730 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 268916216 is about 16398.6650676206. The cubic root of 268916216 is about 645.4644540483.

The spelling of 268916216 in words is "two hundred sixty-eight million, nine hundred sixteen thousand, two hundred sixteen".