2146165 has 16 divisors (see below), whose sum is σ = 3117312. Its totient is φ = 1384704.

The previous prime is 2146159. The next prime is 2146169. The reversal of 2146165 is 5616412.

It is a cyclic number.

It is not a de Polignac number, because 2146165 - 2¹¹ = 2144117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1209 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (194832).

2^2146165 is an apocalyptic number.

It is an amenable number.

2146165 is a deficient number, since it is larger than the sum of its proper divisors (971147).

2146165 is a wasteful number, since it uses less digits than its factorization.

2146165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636.

The product of its digits is 1440, while the sum is 25.

The square root of 2146165 is about 1464.9795220412. The cubic root of 2146165 is about 128.9895029818.

The spelling of 2146165 in words is "two million, one hundred forty-six thousand, one hundred sixty-five".