65565065165 has 8 divisors (see below), whose sum is σ = 78681868128. Its totient is φ = 52449525520.

The previous prime is 65565065117. The next prime is 65565065177. The reversal of 65565065165 is 56156056556.

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

It is not a de Polignac number, because 65565065165 - 2¹⁰ = 65565064141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197627 + ... + 412536.

It is an arithmetic number, because the mean of its divisors is an integer number (9835233516).

Almost surely, 2^65565065165 is an apocalyptic number.

It is an amenable number.

65565065165 is a deficient number, since it is larger than the sum of its proper divisors (13116802963).

65565065165 is a wasteful number, since it uses less digits than its factorization.

65565065165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631659.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 65565065165 in words is "sixty-five billion, five hundred sixty-five million, sixty-five thousand, one hundred sixty-five".