268160729 has 2 divisors, whose sum is σ = 268160730. Its totient is φ = 268160728.

The previous prime is 268160713. The next prime is 268160743. The reversal of 268160729 is 927061862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221265625 + 46895104 = 14875^2 + 6848^2 .

It is a cyclic number.

It is not a de Polignac number, because 268160729 - 2⁴ = 268160713 is a prime.

It is a super-2 number, since 2×268160729² = 143820353155622882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_14616689 and since 268160729 and 14616689 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (268160779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134080364 + 134080365.

It is an arithmetic number, because the mean of its divisors is an integer number (134080365).

Almost surely, 2^268160729 is an apocalyptic number.

It is an amenable number.

268160729 is a deficient number, since it is larger than the sum of its proper divisors (1).

268160729 is an equidigital number, since it uses as much as digits as its factorization.

268160729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 268160729 is about 16375.6138510897. The cubic root of 268160729 is about 644.8594361482.

The spelling of 268160729 in words is "two hundred sixty-eight million, one hundred sixty thousand, seven hundred twenty-nine".