266660535113 has 12 divisors (see below), whose sum is σ = 310548298320. Its totient is φ = 228307284072.

The previous prime is 266660535101. The next prime is 266660535149. The reversal of 266660535113 is 311535066662.

It is not a de Polignac number, because 266660535113 - 2¹⁸ = 266660272969 is a prime.

It is a super-2 number, since 2×266660535113² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266660535313) 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, 3038303 + ... + 3124836.

It is an arithmetic number, because the mean of its divisors is an integer number (25879024860).

Almost surely, 2^266660535113 is an apocalyptic number.

It is an amenable number.

266660535113 is a deficient number, since it is larger than the sum of its proper divisors (43887763207).

266660535113 is an equidigital number, since it uses as much as digits as its factorization.

266660535113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164036 (or 6164029 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 266660535113 in words is "two hundred sixty-six billion, six hundred sixty million, five hundred thirty-five thousand, one hundred thirteen".