266443213544122 has 16 divisors (see below), whose sum is σ = 420701192684640. Its totient is φ = 126209528710128.

The previous prime is 266443213544117. The next prime is 266443213544173. The reversal of 266443213544122 is 221445312344662.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365388 + ... + 23087224.

It is an arithmetic number, because the mean of its divisors is an integer number (26293824542790).

Almost surely, 2^{266443213544122} is an apocalyptic number.

266443213544122 is a deficient number, since it is larger than the sum of its proper divisors (154257979140518).

266443213544122 is a wasteful number, since it uses less digits than its factorization.

266443213544122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23030445.

The product of its digits is 6635520, while the sum is 49.

Adding to 266443213544122 its reverse (221445312344662), we get a palindrome (487888525888784).

The spelling of 266443213544122 in words is "two hundred sixty-six trillion, four hundred forty-three billion, two hundred thirteen million, five hundred forty-four thousand, one hundred twenty-two".