268563195 has 80 divisors (see below), whose sum is σ = 536833440. Its totient is φ = 127650816.

The previous prime is 268563193. The next prime is 268563227. The reversal of 268563195 is 591365862.

268563195 is a `hidden beast` number, since 2 + 6 + 8 + 5 + 631 + 9 + 5 = 666.

It is not a de Polignac number, because 268563195 - 2¹ = 268563193 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 268563195.

It is not an unprimeable number, because it can be changed into a prime (268563193) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 129789 + ... + 131841.

It is an arithmetic number, because the mean of its divisors is an integer number (6710418).

Almost surely, 2^268563195 is an apocalyptic number.

268563195 is a deficient number, since it is larger than the sum of its proper divisors (268270245).

268563195 is a wasteful number, since it uses less digits than its factorization.

268563195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2097 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 268563195 is about 16387.8978212582. The cubic root of 268563195 is about 645.1818848868.

The spelling of 268563195 in words is "two hundred sixty-eight million, five hundred sixty-three thousand, one hundred ninety-five".