168420788160 has 224 divisors, whose sum is σ = 545760737280. Its totient is φ = 43989184512.

The previous prime is 168420788131. The next prime is 168420788161. The reversal of 168420788160 is 61887024861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168420788161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33527409 + ... + 33532431.

Almost surely, 2^168420788160 is an apocalyptic number.

168420788160 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 168420788160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272880368640).

168420788160 is an abundant number, since it is smaller than the sum of its proper divisors (377339949120).

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

168420788160 is a wasteful number, since it uses less digits than its factorization.

168420788160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755 (or 5745 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 168420788160 in words is "one hundred sixty-eight billion, four hundred twenty million, seven hundred eighty-eight thousand, one hundred sixty".