2165106 has 8 divisors (see below), whose sum is σ = 4330224. Its totient is φ = 721700.

The previous prime is 2165089. The next prime is 2165117. The reversal of 2165106 is 6015612.

It is a happy number.

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

2165106 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180420 + ... + 180431.

It is an arithmetic number, because the mean of its divisors is an integer number (541278).

2^2165106 is an apocalyptic number.

2165106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2165106 is a wasteful number, since it uses less digits than its factorization.

2165106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360856.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2165106 is about 1471.4299167816. The cubic root of 2165106 is about 129.3678581322.

The spelling of 2165106 in words is "two million, one hundred sixty-five thousand, one hundred six".