65106642165 has 8 divisors (see below), whose sum is σ = 104170627488. Its totient is φ = 34723542480.

The previous prime is 65106642157. The next prime is 65106642187. The reversal of 65106642165 is 56124660156.

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

It is not a de Polignac number, because 65106642165 - 2³ = 65106642157 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 2170221391 + ... + 2170221420.

It is an arithmetic number, because the mean of its divisors is an integer number (13021328436).

Almost surely, 2^65106642165 is an apocalyptic number.

It is an amenable number.

65106642165 is a deficient number, since it is larger than the sum of its proper divisors (39063985323).

65106642165 is a wasteful number, since it uses less digits than its factorization.

65106642165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340442819.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 65106642165 in words is "sixty-five billion, one hundred six million, six hundred forty-two thousand, one hundred sixty-five".