165005165505116 has 12 divisors (see below), whose sum is σ = 289681592478432. Its totient is φ = 82238996225568.

The previous prime is 165005165505049. The next prime is 165005165505199. The reversal of 165005165505116 is 611505561500561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65896630340 + ... + 65896632843.

It is an arithmetic number, because the mean of its divisors is an integer number (24140132706536).

Almost surely, 2^{165005165505116} is an apocalyptic number.

It is an amenable number.

165005165505116 is a deficient number, since it is larger than the sum of its proper divisors (124676426973316).

165005165505116 is a wasteful number, since it uses less digits than its factorization.

165005165505116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131793263500 (or 131793263498 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 47.

The spelling of 165005165505116 in words is "one hundred sixty-five trillion, five billion, one hundred sixty-five million, five hundred five thousand, one hundred sixteen".