260165 has 8 divisors (see below), whose sum is σ = 317688. Its totient is φ = 204480.

The previous prime is 260137. The next prime is 260171. The reversal of 260165 is 561062.

It can be written as a sum of positive squares in 4 ways, for example, as 16129 + 244036 = 127^2 + 494^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260165 - 2¹⁴ = 243781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (39711).

2²⁶⁰¹⁶⁵ is an apocalyptic number.

It is an amenable number.

260165 is a deficient number, since it is larger than the sum of its proper divisors (57523).

260165 is an equidigital number, since it uses as much as digits as its factorization.

260165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 260165 is about 510.0637215094. The cubic root of 260165 is about 63.8385415849.

The spelling of 260165 in words is "two hundred sixty thousand, one hundred sixty-five".