266027018226117 has 16 divisors (see below), whose sum is σ = 366957340006080. Its totient is φ = 171224805024000.

The previous prime is 266027018226091. The next prime is 266027018226197. The reversal of 266027018226117 is 711622810720662.

It is not a de Polignac number, because 266027018226117 - 2²⁰ = 266027017177541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266027018226117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266027018226197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96642259 + ... + 99356832.

It is an arithmetic number, because the mean of its divisors is an integer number (22934833750380).

Almost surely, 2^{266027018226117} is an apocalyptic number.

It is an amenable number.

266027018226117 is a deficient number, since it is larger than the sum of its proper divisors (100930321779963).

266027018226117 is a wasteful number, since it uses less digits than its factorization.

266027018226117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196014724.

The product of its (nonzero) digits is 1354752, while the sum is 51.

Adding to 266027018226117 its reverse (711622810720662), we get a palindrome (977649828946779).

The spelling of 266027018226117 in words is "two hundred sixty-six trillion, twenty-seven billion, eighteen million, two hundred twenty-six thousand, one hundred seventeen".