2066045959 has 6 divisors (see below), whose sum is σ = 2180508720. Its totient is φ = 1957306356.

The previous prime is 2066045953. The next prime is 2066045977. The reversal of 2066045959 is 9595406602.

It is not a de Polignac number, because 2066045959 - 2⁹ = 2066045447 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 (2066045953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2861199 + ... + 2861920.

It is an arithmetic number, because the mean of its divisors is an integer number (363418120).

Almost surely, 2^2066045959 is an apocalyptic number.

2066045959 is a deficient number, since it is larger than the sum of its proper divisors (114462761).

2066045959 is an equidigital number, since it uses as much as digits as its factorization.

2066045959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723157 (or 5723138 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 2066045959 is about 45453.7782697984. The cubic root of 2066045959 is about 1273.6399099544.

The spelling of 2066045959 in words is "two billion, sixty-six million, forty-five thousand, nine hundred fifty-nine".