260166 has 16 divisors (see below), whose sum is σ = 525888. Its totient is φ = 85800.

The previous prime is 260137. The next prime is 260171. The reversal of 260166 is 661062.

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, 621 + ... + 951.

It is an arithmetic number, because the mean of its divisors is an integer number (32868).

2²⁶⁰¹⁶⁶ is an apocalyptic number.

260166 is an abundant number, since it is smaller than the sum of its proper divisors (265722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260166 is a wasteful number, since it uses less digits than its factorization.

260166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 260166 is about 510.0647017781. The cubic root of 260166 is about 63.8386233772.

The spelling of 260166 in words is "two hundred sixty thousand, one hundred sixty-six".