2065166 has 4 divisors (see below), whose sum is σ = 3097752. Its totient is φ = 1032582.

The previous prime is 2065163. The next prime is 2065169. The reversal of 2065166 is 6615602.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2065163) and next prime (2065169).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516290 + ... + 516293.

It is an arithmetic number, because the mean of its divisors is an integer number (774438).

2^2065166 is an apocalyptic number.

2065166 is a deficient number, since it is larger than the sum of its proper divisors (1032586).

2065166 is a wasteful number, since it uses less digits than its factorization.

2065166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032585.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2065166 is about 1437.0685439463. The cubic root of 2065166 is about 127.3459063694.

The spelling of 2065166 in words is "two million, sixty-five thousand, one hundred sixty-six".