268160449 has 2 divisors, whose sum is σ = 268160450. Its totient is φ = 268160448.

The previous prime is 268160411. The next prime is 268160483. The reversal of 268160449 is 944061862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142563600 + 125596849 = 11940^2 + 11207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268160449 is a prime.

It is not a weakly prime, because it can be changed into another prime (268160489) 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, 134080224 + 134080225.

It is an arithmetic number, because the mean of its divisors is an integer number (134080225).

Almost surely, 2^268160449 is an apocalyptic number.

It is an amenable number.

268160449 is a deficient number, since it is larger than the sum of its proper divisors (1).

268160449 is an equidigital number, since it uses as much as digits as its factorization.

268160449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 268160449 is about 16375.6053017896. The cubic root of 268160449 is about 644.8592117048.

The spelling of 268160449 in words is "two hundred sixty-eight million, one hundred sixty thousand, four hundred forty-nine".