168709890960 has 800 divisors, whose sum is σ = 647913530880. Its totient is φ = 40435200000.

The previous prime is 168709890929. The next prime is 168709890977. The reversal of 168709890960 is 69098907861.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 672150835 + ... + 672151085.

Almost surely, 2^168709890960 is an apocalyptic number.

168709890960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168709890960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323956765440).

168709890960 is an abundant number, since it is smaller than the sum of its proper divisors (479203639920).

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

168709890960 is a wasteful number, since it uses less digits than its factorization.

168709890960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 168709890960 in words is "one hundred sixty-eight billion, seven hundred nine million, eight hundred ninety thousand, nine hundred sixty".