266540351034061 has 32 divisors (see below), whose sum is σ = 287763134400000. Its totient is φ = 245421415669248.

The previous prime is 266540351034011. The next prime is 266540351034091. The reversal of 266540351034061 is 160430153045662.

266540351034061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 266540351034061 - 2¹⁵ = 266540351001293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266540351034011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28943458425 + ... + 28943467633.

It is an arithmetic number, because the mean of its divisors is an integer number (8992597950000).

Almost surely, 2^{266540351034061} is an apocalyptic number.

It is an amenable number.

266540351034061 is a deficient number, since it is larger than the sum of its proper divisors (21222783365939).

266540351034061 is a wasteful number, since it uses less digits than its factorization.

266540351034061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 266540351034061 in words is "two hundred sixty-six trillion, five hundred forty billion, three hundred fifty-one million, thirty-four thousand, sixty-one".