2066765071 has 36 divisors (see below), whose sum is σ = 2619938880. Its totient is φ = 1623706560.

The previous prime is 2066765059. The next prime is 2066765093. The reversal of 2066765071 is 1705676602.

It is a happy number.

It is not a de Polignac number, because 2066765071 - 2⁹ = 2066764559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066765171) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 546475 + ... + 550243.

It is an arithmetic number, because the mean of its divisors is an integer number (72776080).

Almost surely, 2^2066765071 is an apocalyptic number.

2066765071 is a deficient number, since it is larger than the sum of its proper divisors (553173809).

2066765071 is a wasteful number, since it uses less digits than its factorization.

2066765071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852 (or 3826 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 2066765071 is about 45461.6879471055. The cubic root of 2066765071 is about 1273.7876613468.

The spelling of 2066765071 in words is "two billion, sixty-six million, seven hundred sixty-five thousand, seventy-one".