165010560065 has 16 divisors (see below), whose sum is σ = 213396960000. Its totient is φ = 121766784192.

The previous prime is 165010560053. The next prime is 165010560097. The reversal of 165010560065 is 560065010561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165010560065 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 816365 + ... + 998234.

It is an arithmetic number, because the mean of its divisors is an integer number (13337310000).

Almost surely, 2^165010560065 is an apocalyptic number.

It is an amenable number.

165010560065 is a deficient number, since it is larger than the sum of its proper divisors (48386399935).

165010560065 is a wasteful number, since it uses less digits than its factorization.

165010560065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816016.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 165010560065 in words is "one hundred sixty-five billion, ten million, five hundred sixty thousand, sixty-five".