165501050166 has 24 divisors (see below), whose sum is σ = 358602857184. Its totient is φ = 55164363120.

The previous prime is 165501050101. The next prime is 165501050179. The reversal of 165501050166 is 661050105561.

It is a self number, because there is not a number n which added to its sum of digits gives 165501050166.

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 in 11 ways as a sum of consecutive naturals, for example, 183480 + ... + 603876.

It is an arithmetic number, because the mean of its divisors is an integer number (14941785716).

Almost surely, 2^165501050166 is an apocalyptic number.

165501050166 is an abundant number, since it is smaller than the sum of its proper divisors (193101807018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165501050166 is a wasteful number, since it uses less digits than its factorization.

165501050166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442276 (or 442273 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 165501050166 in words is "one hundred sixty-five billion, five hundred one million, fifty thousand, one hundred sixty-six".