268666862 has 8 divisors (see below), whose sum is σ = 403872096. Its totient is φ = 134042832.

The previous prime is 268666837. The next prime is 268666877.

268666862 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 268666862.

It is a congruent number.

It is an unprimeable number.

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, 144143 + ... + 145994.

It is an arithmetic number, because the mean of its divisors is an integer number (50484012).

Almost surely, 2^268666862 is an apocalyptic number.

268666862 is a deficient number, since it is larger than the sum of its proper divisors (135205234).

268666862 is a wasteful number, since it uses less digits than its factorization.

268666862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290602.

The product of its digits is 1990656, while the sum is 50.

The square root of 268666862 is about 16391.0604293926. The cubic root of 268666862 is about 645.2648888969.

The spelling of 268666862 in words is "two hundred sixty-eight million, six hundred sixty-six thousand, eight hundred sixty-two".