268170263 has 2 divisors, whose sum is σ = 268170264. Its totient is φ = 268170262.

The previous prime is 268170229. The next prime is 268170289. The reversal of 268170263 is 362071862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268170263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268170293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134085131 + 134085132.

It is an arithmetic number, because the mean of its divisors is an integer number (134085132).

Almost surely, 2^268170263 is an apocalyptic number.

268170263 is a deficient number, since it is larger than the sum of its proper divisors (1).

268170263 is an equidigital number, since it uses as much as digits as its factorization.

268170263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 268170263 is about 16375.9049520935. The cubic root of 268170263 is about 644.8670783522.

The spelling of 268170263 in words is "two hundred sixty-eight million, one hundred seventy thousand, two hundred sixty-three".