165165616606 has 8 divisors (see below), whose sum is σ = 247781697624. Its totient is φ = 82571717400.

The previous prime is 165165616541. The next prime is 165165616643. The reversal of 165165616606 is 606616561561.

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

It is a self number, because there is not a number n which added to its sum of digits gives 165165616606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5526825 + ... + 5556628.

It is an arithmetic number, because the mean of its divisors is an integer number (30972712203).

Almost surely, 2^165165616606 is an apocalyptic number.

165165616606 is a deficient number, since it is larger than the sum of its proper divisors (82616081018).

165165616606 is a wasteful number, since it uses less digits than its factorization.

165165616606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090906.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 165165616606 in words is "one hundred sixty-five billion, one hundred sixty-five million, six hundred sixteen thousand, six hundred six".