266474541605 has 24 divisors (see below), whose sum is σ = 344783454336. Its totient is φ = 197333099040.

The previous prime is 266474541601. The next prime is 266474541637. The reversal of 266474541605 is 506145474662.

266474541605 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 266474541605 - 2² = 266474541601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266474541601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1095089 + ... + 1316118.

It is an arithmetic number, because the mean of its divisors is an integer number (14365977264).

Almost surely, 2^266474541605 is an apocalyptic number.

It is an amenable number.

266474541605 is a deficient number, since it is larger than the sum of its proper divisors (78308912731).

266474541605 is a wasteful number, since it uses less digits than its factorization.

266474541605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411297 (or 2411266 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 266474541605 in words is "two hundred sixty-six billion, four hundred seventy-four million, five hundred forty-one thousand, six hundred five".