2065665703 has 8 divisors (see below), whose sum is σ = 2093428800. Its totient is φ = 2038003968.

The previous prime is 2065665661. The next prime is 2065665713. The reversal of 2065665703 is 3075665602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2065665703 - 2²⁵ = 2032111271 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 (2065665713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16143 + ... + 66271.

It is an arithmetic number, because the mean of its divisors is an integer number (261678600).

Almost surely, 2^2065665703 is an apocalyptic number.

2065665703 is a deficient number, since it is larger than the sum of its proper divisors (27763097).

2065665703 is an equidigital number, since it uses as much as digits as its factorization.

2065665703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50681.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 2065665703 is about 45449.5951907165. The cubic root of 2065665703 is about 1273.5617673021.

The spelling of 2065665703 in words is "two billion, sixty-five million, six hundred sixty-five thousand, seven hundred three".