266051544343312 has 80 divisors (see below), whose sum is σ = 634504933390720. Its totient is φ = 105238829546496.

The previous prime is 266051544343283. The next prime is 266051544343357. The reversal of 266051544343312 is 213343445150662.

It is a super-2 number, since 2×266051544343312² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733188 + ... + 23132380.

It is an arithmetic number, because the mean of its divisors is an integer number (7931311667384).

Almost surely, 2^{266051544343312} is an apocalyptic number.

It is an amenable number.

266051544343312 is an abundant number, since it is smaller than the sum of its proper divisors (368453389047408).

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

266051544343312 is a wasteful number, since it uses less digits than its factorization.

266051544343312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21407760 (or 21407754 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 49.

Adding to 266051544343312 its reverse (213343445150662), we get a palindrome (479394989493974).

The spelling of 266051544343312 in words is "two hundred sixty-six trillion, fifty-one billion, five hundred forty-four million, three hundred forty-three thousand, three hundred twelve".