268168655 has 8 divisors (see below), whose sum is σ = 332899200. Its totient is φ = 207137056.

The previous prime is 268168613. The next prime is 268168673. The reversal of 268168655 is 556861862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268168655 - 2¹⁰ = 268167631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924575 + ... + 924864.

It is an arithmetic number, because the mean of its divisors is an integer number (41612400).

Almost surely, 2^268168655 is an apocalyptic number.

268168655 is a deficient number, since it is larger than the sum of its proper divisors (64730545).

268168655 is a wasteful number, since it uses less digits than its factorization.

268168655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849473.

The product of its digits is 691200, while the sum is 47.

The square root of 268168655 is about 16375.8558554965. The cubic root of 268168655 is about 644.8657894344.

The spelling of 268168655 in words is "two hundred sixty-eight million, one hundred sixty-eight thousand, six hundred fifty-five".