268564168 has 8 divisors (see below), whose sum is σ = 503557830. Its totient is φ = 134282080.

The previous prime is 268564027. The next prime is 268564187. The reversal of 268564168 is 861465862.

It can be written as a sum of positive squares in only one way, i.e., 209612484 + 58951684 = 14478^2 + 7678^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16785253 + ... + 16785268.

Almost surely, 2^268564168 is an apocalyptic number.

It is an amenable number.

268564168 is a deficient number, since it is larger than the sum of its proper divisors (234993662).

268564168 is a wasteful number, since it uses less digits than its factorization.

268564168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33570527 (or 33570523 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 268564168 is about 16387.9275077723. The cubic root of 268564168 is about 645.1826640469.

The spelling of 268564168 in words is "two hundred sixty-eight million, five hundred sixty-four thousand, one hundred sixty-eight".