168064785576 has 224 divisors, whose sum is σ = 494613803520. Its totient is φ = 53446780800.

The previous prime is 168064785563. The next prime is 168064785619. The reversal of 168064785576 is 675587460861.

168064785576 is a `hidden beast` number, since 1 + 6 + 8 + 0 + 6 + 4 + 78 + 557 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 12829686 + ... + 12842778.

Almost surely, 2^168064785576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168064785576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247306901760).

168064785576 is an abundant number, since it is smaller than the sum of its proper divisors (326549017944).

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

168064785576 is a wasteful number, since it uses less digits than its factorization.

168064785576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13219 (or 13200 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 168064785576 in words is "one hundred sixty-eight billion, sixty-four million, seven hundred eighty-five thousand, five hundred seventy-six".