168968042928 has 60 divisors (see below), whose sum is σ = 485025388680. Its totient is φ = 56319833088.

The previous prime is 168968042917. The next prime is 168968042951. The reversal of 168968042928 is 829240869861.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8533776 + ... + 8553552.

It is an arithmetic number, because the mean of its divisors is an integer number (8083756478).

Almost surely, 2^168968042928 is an apocalyptic number.

168968042928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

168968042928 is an abundant number, since it is smaller than the sum of its proper divisors (316057345752).

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

168968042928 is an frugal number, since it uses more digits than its factorization.

168968042928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39571 (or 19782 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 168968042928 in words is "one hundred sixty-eight billion, nine hundred sixty-eight million, forty-two thousand, nine hundred twenty-eight".