266664313 has 8 divisors (see below), whose sum is σ = 269153280. Its totient is φ = 264181680.

The previous prime is 266664311. The next prime is 266664353. The reversal of 266664313 is 313466662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266664313 - 2¹ = 266664311 is a prime.

It is a super-2 number, since 2×266664313² = 142219711655523938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266664311) 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, 133758 + ... + 135736.

It is an arithmetic number, because the mean of its divisors is an integer number (33644160).

Almost surely, 2^266664313 is an apocalyptic number.

It is an amenable number.

266664313 is a deficient number, since it is larger than the sum of its proper divisors (2488967).

266664313 is a wasteful number, since it uses less digits than its factorization.

266664313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167.

The product of its digits is 93312, while the sum is 37.

The square root of 266664313 is about 16329.8595523660. The cubic root of 266664313 is about 643.6576960314.

The spelling of 266664313 in words is "two hundred sixty-six million, six hundred sixty-four thousand, three hundred thirteen".