168558798648 has 16 divisors (see below), whose sum is σ = 421396996680. Its totient is φ = 56186266208.

The previous prime is 168558798607. The next prime is 168558798671. The reversal of 168558798648 is 846897855861.

It is a self number, because there is not a number n which added to its sum of digits gives 168558798648.

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, 3511641615 + ... + 3511641662.

Almost surely, 2^168558798648 is an apocalyptic number.

It is an amenable number.

168558798648 is an abundant number, since it is smaller than the sum of its proper divisors (252838198032).

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

168558798648 is a wasteful number, since it uses less digits than its factorization.

168558798648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023283286 (or 7023283282 counting only the distinct ones).

The product of its digits is 928972800, while the sum is 75.

The spelling of 168558798648 in words is "one hundred sixty-eight billion, five hundred fifty-eight million, seven hundred ninety-eight thousand, six hundred forty-eight".