266323066 has 16 divisors (see below), whose sum is σ = 417911400. Its totient is φ = 127122688.

The previous prime is 266323061. The next prime is 266323067. The reversal of 266323066 is 660323662.

It can be written as a sum of positive squares in 4 ways, for example, as 256928841 + 9394225 = 16029^2 + 3065^2 .

It is not an unprimeable number, because it can be changed into a prime (266323061) 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 7 ways as a sum of consecutive naturals, for example, 20635 + ... + 30958.

Almost surely, 2^266323066 is an apocalyptic number.

266323066 is a deficient number, since it is larger than the sum of its proper divisors (151588334).

266323066 is a wasteful number, since it uses less digits than its factorization.

266323066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51713.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 266323066 is about 16319.4076485637. The cubic root of 266323066 is about 643.3830185853.

The spelling of 266323066 in words is "two hundred sixty-six million, three hundred twenty-three thousand, sixty-six".