266012334056 has 24 divisors (see below), whose sum is σ = 580205474370. Its totient is φ = 114005285856.

The previous prime is 266012334041. The next prime is 266012334083. The reversal of 266012334056 is 650433210662.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 189024952900 + 76987381156 = 434770^2 + 277466^2 .

It is a super-2 number, since 2×266012334056² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339301055 + ... + 339301838.

Almost surely, 2^266012334056 is an apocalyptic number.

It is an amenable number.

266012334056 is an abundant number, since it is smaller than the sum of its proper divisors (314193140314).

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

266012334056 is a wasteful number, since it uses less digits than its factorization.

266012334056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678602913 (or 678602902 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 266012334056 in words is "two hundred sixty-six billion, twelve million, three hundred thirty-four thousand, fifty-six".