165165173062 has 4 divisors (see below), whose sum is σ = 247747759596. Its totient is φ = 82582586530.

The previous prime is 165165173039. The next prime is 165165173077. The reversal of 165165173062 is 260371561561.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41291293264 + ... + 41291293267.

It is an arithmetic number, because the mean of its divisors is an integer number (61936939899).

Almost surely, 2^165165173062 is an apocalyptic number.

165165173062 is a deficient number, since it is larger than the sum of its proper divisors (82582586534).

165165173062 is an equidigital number, since it uses as much as digits as its factorization.

165165173062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82582586533.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 165165173062 in words is "one hundred sixty-five billion, one hundred sixty-five million, one hundred seventy-three thousand, sixty-two".