266712712822 has 16 divisors (see below), whose sum is σ = 409294168992. Its totient is φ = 130314567040.

The previous prime is 266712712801. The next prime is 266712712841. The reversal of 266712712822 is 228217217662.

It is a super-3 number, since 3×266712712822³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8294833 + ... + 8326924.

It is an arithmetic number, because the mean of its divisors is an integer number (25580885562).

Almost surely, 2^266712712822 is an apocalyptic number.

266712712822 is a deficient number, since it is larger than the sum of its proper divisors (142581456170).

266712712822 is a wasteful number, since it uses less digits than its factorization.

266712712822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16621943.

The product of its digits is 451584, while the sum is 46.

The spelling of 266712712822 in words is "two hundred sixty-six billion, seven hundred twelve million, seven hundred twelve thousand, eight hundred twenty-two".