168089805564 has 12 divisors (see below), whose sum is σ = 392209546344. Its totient is φ = 56029935184.

The previous prime is 168089805509. The next prime is 168089805577. The reversal of 168089805564 is 465508980861.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 168089805498 and 168089805507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7003741887 + ... + 7003741910.

It is an arithmetic number, because the mean of its divisors is an integer number (32684128862).

Almost surely, 2^168089805564 is an apocalyptic number.

It is an amenable number.

168089805564 is an abundant number, since it is smaller than the sum of its proper divisors (224119740780).

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

168089805564 is a wasteful number, since it uses less digits than its factorization.

168089805564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14007483804 (or 14007483802 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 60.

The spelling of 168089805564 in words is "one hundred sixty-eight billion, eighty-nine million, eight hundred five thousand, five hundred sixty-four".