266052221124104 has 64 divisors (see below), whose sum is σ = 538269066720000. Its totient is φ = 122884832567808.

The previous prime is 266052221124097. The next prime is 266052221124143. The reversal of 266052221124104 is 401421122250662.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 15 ways as a sum of consecutive naturals, for example, 67300109 + ... + 71143580.

It is an arithmetic number, because the mean of its divisors is an integer number (8410454167500).

Almost surely, 2^{266052221124104} is an apocalyptic number.

It is an amenable number.

266052221124104 is an abundant number, since it is smaller than the sum of its proper divisors (272216845595896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266052221124104 is a wasteful number, since it uses less digits than its factorization.

266052221124104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138444030 (or 138444026 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

Adding to 266052221124104 its reverse (401421122250662), we get a palindrome (667473343374766).

The spelling of 266052221124104 in words is "two hundred sixty-six trillion, fifty-two billion, two hundred twenty-one million, one hundred twenty-four thousand, one hundred four".