266666662 has 8 divisors (see below), whose sum is σ = 400069296. Its totient is φ = 133310232.

The previous prime is 266666657. The next prime is 266666671.

266666662 is nontrivially palindromic in base 10.

266666662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×266666662² = 142222217244444488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16668 + ... + 28480.

It is an arithmetic number, because the mean of its divisors is an integer number (50008662).

Almost surely, 2^266666662 is an apocalyptic number.

266666662 is a deficient number, since it is larger than the sum of its proper divisors (133402634).

266666662 is a wasteful number, since it uses less digits than its factorization.

266666662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23102.

The product of its digits is 1119744, while the sum is 46.

The square root of 266666662 is about 16329.9314756676. The cubic root of 266666662 is about 643.6595859824.

The spelling of 266666662 in words is "two hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-two".