165000055005 has 96 divisors (see below), whose sum is σ = 305248559616. Its totient is φ = 82264545792.

The previous prime is 165000054997. The next prime is 165000055049. The reversal of 165000055005 is 500550000561.

165000055005 is a `hidden beast` number, since 1 + 650 + 0 + 0 + 0 + 5 + 5 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 165000055005 - 2³ = 165000054997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165000055005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14421147 + ... + 14432583.

It is an arithmetic number, because the mean of its divisors is an integer number (3179672496).

Almost surely, 2^165000055005 is an apocalyptic number.

165000055005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165000055005 is a deficient number, since it is larger than the sum of its proper divisors (140248504611).

165000055005 is a wasteful number, since it uses less digits than its factorization.

165000055005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11787 (or 11784 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

Adding to 165000055005 its reverse (500550000561), we get a palindrome (665550055566).

The spelling of 165000055005 in words is "one hundred sixty-five billion, fifty-five thousand, five".