165000000006 has 48 divisors (see below), whose sum is σ = 366210044928. Its totient is φ = 53667068400.

The previous prime is 164999999953. The next prime is 165000000007. The reversal of 165000000006 is 600000000561.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165000000007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14590 + ... + 574641.

It is an arithmetic number, because the mean of its divisors is an integer number (7629375936).

Almost surely, 2^165000000006 is an apocalyptic number.

165000000006 is an abundant number, since it is smaller than the sum of its proper divisors (201210044922).

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

165000000006 is a wasteful number, since it uses less digits than its factorization.

165000000006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589617 (or 589614 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 165000000006 its reverse (600000000561), we get a palindrome (765000000567).

The spelling of 165000000006 in words is "one hundred sixty-five billion, six", and thus it is an aban number.