266326664 has 32 divisors (see below), whose sum is σ = 504377280. Its totient is φ = 131834304.

The previous prime is 266326661. The next prime is 266326679. The reversal of 266326664 is 466623662.

It is not an unprimeable number, because it can be changed into a prime (266326661) 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 in 7 ways as a sum of consecutive naturals, for example, 546629 + ... + 547115.

It is an arithmetic number, because the mean of its divisors is an integer number (15761790).

Almost surely, 2^266326664 is an apocalyptic number.

It is an amenable number.

266326664 is a deficient number, since it is larger than the sum of its proper divisors (238050616).

266326664 is a wasteful number, since it uses less digits than its factorization.

266326664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1033 counting only the distinct ones).

The product of its digits is 373248, while the sum is 41.

The square root of 266326664 is about 16319.5178850357. The cubic root of 266326664 is about 643.3859159207.

The spelling of 266326664 in words is "two hundred sixty-six million, three hundred twenty-six thousand, six hundred sixty-four".