260169 has 16 divisors (see below), whose sum is σ = 427392. Its totient is φ = 137088.

The previous prime is 260137. The next prime is 260171. The reversal of 260169 is 961062.

It is not a de Polignac number, because 260169 - 2⁵ = 260137 is a prime.

It is a super-2 number, since 2×260169² = 135375817122, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (260179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204 + ... + 749.

It is an arithmetic number, because the mean of its divisors is an integer number (26712).

2²⁶⁰¹⁶⁹ is an apocalyptic number.

260169 is the 273-rd nonagonal number.

It is an amenable number.

260169 is a deficient number, since it is larger than the sum of its proper divisors (167223).

260169 is a wasteful number, since it uses less digits than its factorization.

260169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 260169 is about 510.0676425730. The cubic root of 260169 is about 63.8388687528.

The spelling of 260169 in words is "two hundred sixty thousand, one hundred sixty-nine".