260391088165 has 16 divisors (see below), whose sum is σ = 341244925056. Its totient is φ = 189580507200.

The previous prime is 260391088121. The next prime is 260391088171. The reversal of 260391088165 is 561880193062.

It is not a de Polignac number, because 260391088165 - 2¹⁹ = 260390563877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28206771 + ... + 28216000.

It is an arithmetic number, because the mean of its divisors is an integer number (21327807816).

Almost surely, 2^260391088165 is an apocalyptic number.

It is an amenable number.

260391088165 is a deficient number, since it is larger than the sum of its proper divisors (80853836891).

260391088165 is a wasteful number, since it uses less digits than its factorization.

260391088165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56422860.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 260391088165 in words is "two hundred sixty billion, three hundred ninety-one million, eighty-eight thousand, one hundred sixty-five".