268866163 has 8 divisors (see below), whose sum is σ = 278470080. Its totient is φ = 259284480.

The previous prime is 268866149. The next prime is 268866173. The reversal of 268866163 is 361668862.

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 268866163 - 2²¹ = 266769011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268866173) 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, 21331 + ... + 31507.

It is an arithmetic number, because the mean of its divisors is an integer number (34808760).

Almost surely, 2^268866163 is an apocalyptic number.

268866163 is a deficient number, since it is larger than the sum of its proper divisors (9603917).

268866163 is a wasteful number, since it uses less digits than its factorization.

268866163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11117.

The product of its digits is 497664, while the sum is 46.

The square root of 268866163 is about 16397.1388662779. The cubic root of 268866163 is about 645.4244050974.

The spelling of 268866163 in words is "two hundred sixty-eight million, eight hundred sixty-six thousand, one hundred sixty-three".