266641144036244 has 12 divisors (see below), whose sum is σ = 466624919224800. Its totient is φ = 133319738543448.

The previous prime is 266641144036213. The next prime is 266641144036261. The reversal of 266641144036244 is 442630441146662.

It is a super-3 number, since 3×266641144036244³ (a number of 44 digits) contains 333 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 3 ways as a sum of consecutive naturals, for example, 207648584 + ... + 208928735.

It is an arithmetic number, because the mean of its divisors is an integer number (38885409935400).

Almost surely, 2^{266641144036244} is an apocalyptic number.

It is an amenable number.

266641144036244 is a deficient number, since it is larger than the sum of its proper divisors (199983775188556).

266641144036244 is a wasteful number, since it uses less digits than its factorization.

266641144036244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416737342 (or 416737340 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 53.

The spelling of 266641144036244 in words is "two hundred sixty-six trillion, six hundred forty-one billion, one hundred forty-four million, thirty-six thousand, two hundred forty-four".