165055516610066 has 32 divisors (see below), whose sum is σ = 250066748880000. Its totient is φ = 81703639854720.

The previous prime is 165055516610029. The next prime is 165055516610119. The reversal of 165055516610066 is 660016615550561.

165055516610066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969124985 + ... + 969295283.

It is an arithmetic number, because the mean of its divisors is an integer number (7814585902500).

Almost surely, 2^{165055516610066} is an apocalyptic number.

165055516610066 is a deficient number, since it is larger than the sum of its proper divisors (85011232269934).

165055516610066 is a wasteful number, since it uses less digits than its factorization.

165055516610066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181154.

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 165055516610066 in words is "one hundred sixty-five trillion, fifty-five billion, five hundred sixteen million, six hundred ten thousand, sixty-six".