2166085 has 8 divisors (see below), whose sum is σ = 2619936. Its totient is φ = 1719120.

The previous prime is 2166077. The next prime is 2166113. The reversal of 2166085 is 5806612.

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

It is not a de Polignac number, because 2166085 - 2³ = 2166077 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 7 ways as a sum of consecutive naturals, for example, 999 + ... + 2308.

It is an arithmetic number, because the mean of its divisors is an integer number (327492).

2^2166085 is an apocalyptic number.

It is an amenable number.

2166085 is a deficient number, since it is larger than the sum of its proper divisors (453851).

2166085 is a wasteful number, since it uses less digits than its factorization.

2166085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2166085 is about 1471.7625487829. The cubic root of 2166085 is about 129.3873540289.

The spelling of 2166085 in words is "two million, one hundred sixty-six thousand, eighty-five".