165100665116105 has 8 divisors (see below), whose sum is σ = 198122616398664. Its totient is φ = 132079319920000.

The previous prime is 165100665116087. The next prime is 165100665116129. The reversal of 165100665116105 is 501611566001561.

It can be written as a sum of positive squares in 4 ways, for example, as 63415484731456 + 101685180384649 = 7963384^2 + 10083907^2 .

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

It is not a de Polignac number, because 165100665116105 - 2¹⁶ = 165100665050569 is a prime.

It is a Duffinian 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, 150922106 + ... + 152012115.

It is an arithmetic number, because the mean of its divisors is an integer number (24765327049833).

Almost surely, 2^{165100665116105} is an apocalyptic number.

It is an amenable number.

165100665116105 is a deficient number, since it is larger than the sum of its proper divisors (33021951282559).

165100665116105 is a wasteful number, since it uses less digits than its factorization.

165100665116105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303043227.

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 165100665116105 in words is "one hundred sixty-five trillion, one hundred billion, six hundred sixty-five million, one hundred sixteen thousand, one hundred five".