266668274295 has 12 divisors (see below), whose sum is σ = 462225008856. Its totient is φ = 142223079600.

The previous prime is 266668274287. The next prime is 266668274303. The reversal of 266668274295 is 592472866662.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (266668274287) and next prime (266668274303).

It is not a de Polignac number, because 266668274295 - 2³ = 266668274287 is a prime.

It is a super-2 number, since 2×266668274295² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2962980781 + ... + 2962980870.

It is an arithmetic number, because the mean of its divisors is an integer number (38518750738).

Almost surely, 2^266668274295 is an apocalyptic number.

266668274295 is a deficient number, since it is larger than the sum of its proper divisors (195556734561).

266668274295 is a wasteful number, since it uses less digits than its factorization.

266668274295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925961662 (or 5925961659 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 266668274295 in words is "two hundred sixty-six billion, six hundred sixty-eight million, two hundred seventy-four thousand, two hundred ninety-five".