268666791099 has 8 divisors (see below), whose sum is σ = 409397015040. Its totient is φ = 153523880616.

The previous prime is 268666791047. The next prime is 268666791119. The reversal of 268666791099 is 990197666862.

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

It is not a de Polignac number, because 268666791099 - 2⁷ = 268666790971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268666791299) by changing a digit.

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, 6396828339 + ... + 6396828380.

It is an arithmetic number, because the mean of its divisors is an integer number (51174626880).

Almost surely, 2^268666791099 is an apocalyptic number.

268666791099 is a deficient number, since it is larger than the sum of its proper divisors (140730223941).

268666791099 is a wasteful number, since it uses less digits than its factorization.

268666791099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793656729.

The product of its (nonzero) digits is 105815808, while the sum is 69.

The spelling of 268666791099 in words is "two hundred sixty-eight billion, six hundred sixty-six million, seven hundred ninety-one thousand, ninety-nine".