260005165 has 16 divisors (see below), whose sum is σ = 356872320. Its totient is φ = 178142400.

The previous prime is 260005147. The next prime is 260005169. The reversal of 260005165 is 561500062.

It is not a de Polignac number, because 260005165 - 2⁹ = 260004653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260005169) 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, 56190 + ... + 60640.

It is an arithmetic number, because the mean of its divisors is an integer number (22304520).

Almost surely, 2^260005165 is an apocalyptic number.

It is an amenable number.

260005165 is a deficient number, since it is larger than the sum of its proper divisors (96867155).

260005165 is a wasteful number, since it uses less digits than its factorization.

260005165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 260005165 is about 16124.6756556527. The cubic root of 260005165 is about 638.2546562214.

The spelling of 260005165 in words is "two hundred sixty million, five thousand, one hundred sixty-five".