168520002002 has 32 divisors (see below), whose sum is σ = 282276783360. Its totient is φ = 74791095120.

The previous prime is 168520001989. The next prime is 168520002011. The reversal of 168520002002 is 200200025861.

168520002002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2658149 + ... + 2720807.

It is an arithmetic number, because the mean of its divisors is an integer number (8821149480).

Almost surely, 2^168520002002 is an apocalyptic number.

168520002002 is a deficient number, since it is larger than the sum of its proper divisors (113756781358).

168520002002 is a wasteful number, since it uses less digits than its factorization.

168520002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65558.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 168520002002 its reverse (200200025861), we get a palindrome (368720027863).

The spelling of 168520002002 in words is "one hundred sixty-eight billion, five hundred twenty million, two thousand, two".