2065440616 has 16 divisors (see below), whose sum is σ = 3889325700. Its totient is φ = 1028287104.

The previous prime is 2065440569. The next prime is 2065440631. The reversal of 2065440616 is 6160445602.

It can be written as a sum of positive squares in 2 ways, for example, as 2056259716 + 9180900 = 45346^2 + 3030^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 552171 + ... + 555898.

Almost surely, 2^2065440616 is an apocalyptic number.

It is an amenable number.

2065440616 is a deficient number, since it is larger than the sum of its proper divisors (1823885084).

2065440616 is a wasteful number, since it uses less digits than its factorization.

2065440616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108308 (or 1108304 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2065440616 is about 45447.1188965813. The cubic root of 2065440616 is about 1273.5155073790.

The spelling of 2065440616 in words is "two billion, sixty-five million, four hundred forty thousand, six hundred sixteen".