165055516610065 has 8 divisors (see below), whose sum is σ = 198090718608960. Its totient is φ = 132028347503472.

The previous prime is 165055516610029. The next prime is 165055516610119. The reversal of 165055516610065 is 560016615550561.

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

It is a cyclic number.

It is not a de Polignac number, because 165055516610065 - 2¹⁵ = 165055516577297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165055516609994 and 165055516610021.

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, 2008177869 + ... + 2008260058.

It is an arithmetic number, because the mean of its divisors is an integer number (24761339826120).

Almost surely, 2^{165055516610065} is an apocalyptic number.

It is an amenable number.

165055516610065 is a deficient number, since it is larger than the sum of its proper divisors (33035201998895).

165055516610065 is an equidigital number, since it uses as much as digits as its factorization.

165055516610065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016446151.

The product of its (nonzero) digits is 4050000, while the sum is 52.

The spelling of 165055516610065 in words is "one hundred sixty-five trillion, fifty-five billion, five hundred sixteen million, six hundred ten thousand, sixty-five".