2066517165 has 16 divisors (see below), whose sum is σ = 3311356608. Its totient is φ = 1100499456.

The previous prime is 2066517163. The next prime is 2066517169. The reversal of 2066517165 is 5617156602.

It is not a de Polignac number, because 2066517165 - 2¹ = 2066517163 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066517163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92259 + ... + 112448.

It is an arithmetic number, because the mean of its divisors is an integer number (206959788).

Almost surely, 2^2066517165 is an apocalyptic number.

It is an amenable number.

2066517165 is a deficient number, since it is larger than the sum of its proper divisors (1244839443).

2066517165 is a wasteful number, since it uses less digits than its factorization.

2066517165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205388.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 2066517165 is about 45458.9613277734. The cubic root of 2066517165 is about 1273.7367295412.

The spelling of 2066517165 in words is "two billion, sixty-six million, five hundred seventeen thousand, one hundred sixty-five".