266716727122 has 8 divisors (see below), whose sum is σ = 402148019196. Its totient is φ = 132667387392.

The previous prime is 266716727071. The next prime is 266716727129. The reversal of 266716727122 is 221727617662.

266716727122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 266432501241 + 284225881 = 516171^2 + 16859^2 .

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

It is a super-2 number, since 2×266716727122² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266716727129) 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, 345487603 + ... + 345488374.

Almost surely, 2^266716727122 is an apocalyptic number.

266716727122 is a deficient number, since it is larger than the sum of its proper divisors (135431292074).

266716727122 is a wasteful number, since it uses less digits than its factorization.

266716727122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690976172.

The product of its digits is 1185408, while the sum is 49.

The spelling of 266716727122 in words is "two hundred sixty-six billion, seven hundred sixteen million, seven hundred twenty-seven thousand, one hundred twenty-two".