260066615265 has 12 divisors (see below), whose sum is σ = 450782133204. Its totient is φ = 138702194784.

The previous prime is 260066615227. The next prime is 260066615269. The reversal of 260066615265 is 562516660062.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 148915722816 + 111150892449 = 385896^2 + 333393^2 .

It is not a de Polignac number, because 260066615265 - 2⁶ = 260066615201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 5779258117 = 260066615265 / (2 + 6 + 0 + 0 + 6 + 6 + 6 + 1 + 5 + 2 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 260066615265.

It is not an unprimeable number, because it can be changed into a prime (260066615269) 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, 2889629014 + ... + 2889629103.

It is an arithmetic number, because the mean of its divisors is an integer number (37565177767).

Almost surely, 2^260066615265 is an apocalyptic number.

It is an amenable number.

260066615265 is a deficient number, since it is larger than the sum of its proper divisors (190715517939).

260066615265 is a wasteful number, since it uses less digits than its factorization.

260066615265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5779258128 (or 5779258125 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 260066615265 in words is "two hundred sixty billion, sixty-six million, six hundred fifteen thousand, two hundred sixty-five".