268158067 has 2 divisors, whose sum is σ = 268158068. Its totient is φ = 268158066.

The previous prime is 268158047. The next prime is 268158071. The reversal of 268158067 is 760851862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268158067 is a prime.

It is a super-3 number, since 3×268158067³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (268158047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134079033 + 134079034.

It is an arithmetic number, because the mean of its divisors is an integer number (134079034).

Almost surely, 2^268158067 is an apocalyptic number.

268158067 is a deficient number, since it is larger than the sum of its proper divisors (1).

268158067 is an equidigital number, since it uses as much as digits as its factorization.

268158067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 268158067 is about 16375.5325714921. The cubic root of 268158067 is about 644.8573023266.

The spelling of 268158067 in words is "two hundred sixty-eight million, one hundred fifty-eight thousand, sixty-seven".