266255168 has 14 divisors (see below), whose sum is σ = 528350226. Its totient is φ = 133127552.

The previous prime is 266255167. The next prime is 266255191. The reversal of 266255168 is 861552662.

It can be written as a sum of positive squares in only one way, i.e., 242362624 + 23892544 = 15568^2 + 4888^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266255167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080055 + ... + 2080182.

Almost surely, 2^266255168 is an apocalyptic number.

It is an amenable number.

266255168 is a deficient number, since it is larger than the sum of its proper divisors (262095058).

266255168 is an equidigital number, since it uses as much as digits as its factorization.

266255168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160249 (or 4160239 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 266255168 is about 16317.3272321174. The cubic root of 266255168 is about 643.3283379628.

The spelling of 266255168 in words is "two hundred sixty-six million, two hundred fifty-five thousand, one hundred sixty-eight".