266861412313 has 8 divisors (see below), whose sum is σ = 267361585920. Its totient is φ = 266361510720.

The previous prime is 266861412281. The next prime is 266861412317. The reversal of 266861412313 is 313214168662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266861412313 - 2⁵ = 266861412281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266861412313.

It is not an unprimeable number, because it can be changed into a prime (266861412317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1951873 + ... + 2084113.

It is an arithmetic number, because the mean of its divisors is an integer number (33420198240).

Almost surely, 2^266861412313 is an apocalyptic number.

It is an amenable number.

266861412313 is a deficient number, since it is larger than the sum of its proper divisors (500173607).

266861412313 is a wasteful number, since it uses less digits than its factorization.

266861412313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136007.

The product of its digits is 248832, while the sum is 43.

The spelling of 266861412313 in words is "two hundred sixty-six billion, eight hundred sixty-one million, four hundred twelve thousand, three hundred thirteen".