266666666662 has 8 divisors (see below), whose sum is σ = 436363636392. Its totient is φ = 121212121200.

The previous prime is 266666666611. The next prime is 266666666663.

It is a happy number.

266666666662 is nontrivially palindromic in base 10.

266666666662 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 2×266666666662² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266666666594 and 266666666603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266666666663) 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 3 ways as a sum of consecutive naturals, for example, 6060606039 + ... + 6060606082.

It is an arithmetic number, because the mean of its divisors is an integer number (54545454549).

Almost surely, 2^266666666662 is an apocalyptic number.

266666666662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

266666666662 is a deficient number, since it is larger than the sum of its proper divisors (169696969730).

266666666662 is a wasteful number, since it uses less digits than its factorization.

266666666662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12121212134.

The product of its digits is 241864704, while the sum is 64.

The spelling of 266666666662 in words is "two hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-two".