268236667 has 2 divisors, whose sum is σ = 268236668. Its totient is φ = 268236666.

The previous prime is 268236653. The next prime is 268236697. The reversal of 268236667 is 766632862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268236667 - 2¹⁵ = 268203899 is a prime.

It is not a weakly prime, because it can be changed into another prime (268236697) 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 as a sum of consecutive naturals, namely, 134118333 + 134118334.

It is an arithmetic number, because the mean of its divisors is an integer number (134118334).

Almost surely, 2^268236667 is an apocalyptic number.

268236667 is a deficient number, since it is larger than the sum of its proper divisors (1).

268236667 is an equidigital number, since it uses as much as digits as its factorization.

268236667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The square root of 268236667 is about 16377.9323176035. The cubic root of 268236667 is about 644.9203010312.

The spelling of 268236667 in words is "two hundred sixty-eight million, two hundred thirty-six thousand, six hundred sixty-seven".