65165106165 has 48 divisors (see below), whose sum is σ = 106598697408. Its totient is φ = 33993077248.

The previous prime is 65165106143. The next prime is 65165106203. The reversal of 65165106165 is 56160156156.

It is not a de Polignac number, because 65165106165 - 2¹⁰ = 65165105141 is a prime.

It is a super-2 number, since 2×65165106165² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14618617 + ... + 14623073.

It is an arithmetic number, because the mean of its divisors is an integer number (2220806196).

Almost surely, 2^65165106165 is an apocalyptic number.

It is an amenable number.

65165106165 is a deficient number, since it is larger than the sum of its proper divisors (41433591243).

65165106165 is a wasteful number, since it uses less digits than its factorization.

65165106165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918 (or 4865 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 65165106165 in words is "sixty-five billion, one hundred sixty-five million, one hundred six thousand, one hundred sixty-five".