65995165 has 8 divisors (see below), whose sum is σ = 82637568. Its totient is φ = 50500560.

The previous prime is 65995159. The next prime is 65995177. The reversal of 65995165 is 56159956.

It is a happy number.

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

It is not a de Polignac number, because 65995165 - 2¹¹ = 65993117 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, 286821 + ... + 287050.

It is an arithmetic number, because the mean of its divisors is an integer number (10329696).

Almost surely, 2^65995165 is an apocalyptic number.

It is an amenable number.

65995165 is a deficient number, since it is larger than the sum of its proper divisors (16642403).

65995165 is a wasteful number, since it uses less digits than its factorization.

65995165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573899.

The product of its digits is 364500, while the sum is 46.

The square root of 65995165 is about 8123.7408255064. The cubic root of 65995165 is about 404.1141334397.

The spelling of 65995165 in words is "sixty-five million, nine hundred ninety-five thousand, one hundred sixty-five".