266012203612004 has 12 divisors (see below), whose sum is σ = 465600513198828. Its totient is φ = 132983485555200.

The previous prime is 266012203611997. The next prime is 266012203612021. The reversal of 266012203612004 is 400216302210662.

It can be written as a sum of positive squares in 2 ways, for example, as 242069971725604 + 23942231886400 = 15558598^2 + 4893080^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5654036237 + ... + 5654083284.

It is an arithmetic number, because the mean of its divisors is an integer number (38800042766569).

Almost surely, 2^{266012203612004} is an apocalyptic number.

It is an amenable number.

266012203612004 is a deficient number, since it is larger than the sum of its proper divisors (199588309586824).

266012203612004 is a wasteful number, since it uses less digits than its factorization.

266012203612004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11308125406 (or 11308125404 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 266012203612004 its reverse (400216302210662), we get a palindrome (666228505822666).

The spelling of 266012203612004 in words is "two hundred sixty-six trillion, twelve billion, two hundred three million, six hundred twelve thousand, four".