266936298912 has 72 divisors (see below), whose sum is σ = 783587226240. Its totient is φ = 86108480640.

The previous prime is 266936298911. The next prime is 266936298949. The reversal of 266936298912 is 219892639662.

266936298912 is a `hidden beast` number, since 266 + 9 + 362 + 9 + 8 + 9 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×266936298912² (a number of 24 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 266936298912.

It is not an unprimeable number, because it can be changed into a prime (266936298911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14940462 + ... + 14958317.

It is an arithmetic number, because the mean of its divisors is an integer number (10883155920).

Almost surely, 2^266936298912 is an apocalyptic number.

It is an amenable number.

266936298912 is an abundant number, since it is smaller than the sum of its proper divisors (516650927328).

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

266936298912 is a wasteful number, since it uses less digits than its factorization.

266936298912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29898826 (or 29898815 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The spelling of 266936298912 in words is "two hundred sixty-six billion, nine hundred thirty-six million, two hundred ninety-eight thousand, nine hundred twelve".