165065116111066 has 32 divisors (see below), whose sum is σ = 268764991401600. Its totient is φ = 75796151471040.

The previous prime is 165065116111039. The next prime is 165065116111109. The reversal of 165065116111066 is 660111611560561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 345395205 + ... + 345872776.

It is an arithmetic number, because the mean of its divisors is an integer number (8398905981300).

Almost surely, 2^{165065116111066} is an apocalyptic number.

165065116111066 is a deficient number, since it is larger than the sum of its proper divisors (103699875290534).

165065116111066 is a wasteful number, since it uses less digits than its factorization.

165065116111066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691268214.

The product of its (nonzero) digits is 194400, while the sum is 46.

The spelling of 165065116111066 in words is "one hundred sixty-five trillion, sixty-five billion, one hundred sixteen million, one hundred eleven thousand, sixty-six".