65160565066 has 4 divisors (see below), whose sum is σ = 97740847602. Its totient is φ = 32580282532.

The previous prime is 65160565039. The next prime is 65160565079. The reversal of 65160565066 is 66056506156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50077040841 + 15083524225 = 223779^2 + 122815^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16290141265 + ... + 16290141268.

Almost surely, 2^65160565066 is an apocalyptic number.

65160565066 is a deficient number, since it is larger than the sum of its proper divisors (32580282536).

65160565066 is a wasteful number, since it uses less digits than its factorization.

65160565066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32580282535.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 65160565066 in words is "sixty-five billion, one hundred sixty million, five hundred sixty-five thousand, sixty-six".