268791106 has 4 divisors (see below), whose sum is σ = 403186662. Its totient is φ = 134395552.

The previous prime is 268791077. The next prime is 268791109. The reversal of 268791106 is 601197862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601197862 = 2 ⋅300598931.

It can be written as a sum of positive squares in only one way, i.e., 243640881 + 25150225 = 15609^2 + 5015^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (268791109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67197775 + ... + 67197778.

Almost surely, 2^268791106 is an apocalyptic number.

268791106 is a deficient number, since it is larger than the sum of its proper divisors (134395556).

268791106 is a wasteful number, since it uses less digits than its factorization.

268791106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134395555.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 268791106 is about 16394.8499840651. The cubic root of 268791106 is about 645.3643403579.

The spelling of 268791106 in words is "two hundred sixty-eight million, seven hundred ninety-one thousand, one hundred six".