266305168 has 80 divisors (see below), whose sum is σ = 550339776. Its totient is φ = 124692480.

The previous prime is 266305163. The next prime is 266305211. The reversal of 266305168 is 861503662.

It is not an unprimeable number, because it can be changed into a prime (266305163) 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 in 15 ways as a sum of consecutive naturals, for example, 3208455 + ... + 3208537.

Almost surely, 2^266305168 is an apocalyptic number.

It is an amenable number.

266305168 is an abundant number, since it is smaller than the sum of its proper divisors (284034608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266305168 is a wasteful number, since it uses less digits than its factorization.

266305168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 266305168 is about 16318.8592738586. The cubic root of 266305168 is about 643.3686056051.

The spelling of 266305168 in words is "two hundred sixty-six million, three hundred five thousand, one hundred sixty-eight".