266021612014 has 16 divisors (see below), whose sum is σ = 399763188000. Its totient is φ = 132767307904.

The previous prime is 266021612011. The next prime is 266021612111. The reversal of 266021612014 is 410216120662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266021612011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6642402 + ... + 6682330.

It is an arithmetic number, because the mean of its divisors is an integer number (24985199250).

Almost surely, 2^266021612014 is an apocalyptic number.

266021612014 is a deficient number, since it is larger than the sum of its proper divisors (133741575986).

266021612014 is a wasteful number, since it uses less digits than its factorization.

266021612014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45947.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 266021612014 its reverse (410216120662), we get a palindrome (676237732676).

The spelling of 266021612014 in words is "two hundred sixty-six billion, twenty-one million, six hundred twelve thousand, fourteen".