266615445323130 has 32 divisors (see below), whose sum is σ = 660518264544768. Its totient is φ = 68803985889600.

The previous prime is 266615445323111. The next prime is 266615445323131. The reversal of 266615445323130 is 31323544516662.

It is a super-2 number, since 2×266615445323130² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266615445323131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 143341636341 + ... + 143341638200.

It is an arithmetic number, because the mean of its divisors is an integer number (20641195767024).

Almost surely, 2^{266615445323130} is an apocalyptic number.

266615445323130 is an abundant number, since it is smaller than the sum of its proper divisors (393902819221638).

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

266615445323130 is a wasteful number, since it uses less digits than its factorization.

266615445323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286683274582.

The product of its (nonzero) digits is 9331200, while the sum is 51.

Adding to 266615445323130 its reverse (31323544516662), we get a palindrome (297938989839792).

The spelling of 266615445323130 in words is "two hundred sixty-six trillion, six hundred fifteen billion, four hundred forty-five million, three hundred twenty-three thousand, one hundred thirty".