168774968868 has 48 divisors (see below), whose sum is σ = 439599933696. Its totient is φ = 49954534560.

The previous prime is 168774968861. The next prime is 168774968903. The reversal of 168774968868 is 868869477861.

It is a junction number, because it is equal to n+sod(n) for n = 168774968793 and 168774968802.

It is not an unprimeable number, because it can be changed into a prime (168774968861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14861746 + ... + 14873097.

It is an arithmetic number, because the mean of its divisors is an integer number (9158331952).

Almost surely, 2^168774968868 is an apocalyptic number.

It is an amenable number.

168774968868 is an abundant number, since it is smaller than the sum of its proper divisors (270824964828).

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

168774968868 is a wasteful number, since it uses less digits than its factorization.

168774968868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29734904 (or 29734902 counting only the distinct ones).

The product of its digits is 1560674304, while the sum is 78.

The spelling of 168774968868 in words is "one hundred sixty-eight billion, seven hundred seventy-four million, nine hundred sixty-eight thousand, eight hundred sixty-eight".