266120266307 has 12 divisors (see below), whose sum is σ = 310398436656. Its totient is φ = 227491533360.

The previous prime is 266120266261. The next prime is 266120266367. The reversal of 266120266307 is 703662021662.

It is not a de Polignac number, because 266120266307 - 2¹² = 266120262211 is a prime.

It is a super-2 number, since 2×266120266307² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266120266367) 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, 7261919 + ... + 7298472.

It is an arithmetic number, because the mean of its divisors is an integer number (25866536388).

Almost surely, 2^266120266307 is an apocalyptic number.

266120266307 is a deficient number, since it is larger than the sum of its proper divisors (44278170349).

266120266307 is a wasteful number, since it uses less digits than its factorization.

266120266307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14560778 (or 14560771 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

Adding to 266120266307 its reverse (703662021662), we get a palindrome (969782287969).

The spelling of 266120266307 in words is "two hundred sixty-six billion, one hundred twenty million, two hundred sixty-six thousand, three hundred seven".