266666675 has 24 divisors (see below), whose sum is σ = 381953232. Its totient is φ = 182528000.

The previous prime is 266666671. The next prime is 266666723. The reversal of 266666675 is 576666662.

It is not a de Polignac number, because 266666675 - 2² = 266666671 is a prime.

It is a super-2 number, since 2×266666675² = 142222231111111250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266666671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23846 + ... + 33195.

It is an arithmetic number, because the mean of its divisors is an integer number (15914718).

Almost surely, 2^266666675 is an apocalyptic number.

266666675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

266666675 is a deficient number, since it is larger than the sum of its proper divisors (115286557).

266666675 is a wasteful number, since it uses less digits than its factorization.

266666675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57079 (or 57074 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 50.

The square root of 266666675 is about 16329.9318737097. The cubic root of 266666675 is about 643.6595964419.

The spelling of 266666675 in words is "two hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-five".