165550165006 has 8 divisors (see below), whose sum is σ = 248625522360. Its totient is φ = 82674990888.

The previous prime is 165550164979. The next prime is 165550165043. The reversal of 165550165006 is 600561055561.

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 165550165006.

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 3 ways as a sum of consecutive naturals, for example, 50043741 + ... + 50047048.

It is an arithmetic number, because the mean of its divisors is an integer number (31078190295).

Almost surely, 2^165550165006 is an apocalyptic number.

165550165006 is a deficient number, since it is larger than the sum of its proper divisors (83075357354).

165550165006 is a wasteful number, since it uses less digits than its factorization.

165550165006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100091618.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 165550165006 in words is "one hundred sixty-five billion, five hundred fifty million, one hundred sixty-five thousand, six".