168787300180 has 12 divisors (see below), whose sum is σ = 354453330420. Its totient is φ = 67514920064.

The previous prime is 168787300177. The next prime is 168787300207. The reversal of 168787300180 is 81003787861.

It can be written as a sum of positive squares in 2 ways, for example, as 81633632656 + 87153667524 = 285716^2 + 295218^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4219682485 + ... + 4219682524.

It is an arithmetic number, because the mean of its divisors is an integer number (29537777535).

Almost surely, 2^168787300180 is an apocalyptic number.

168787300180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168787300180 is an abundant number, since it is smaller than the sum of its proper divisors (185666030240).

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

168787300180 is a wasteful number, since it uses less digits than its factorization.

168787300180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439365018 (or 8439365016 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 49.

The spelling of 168787300180 in words is "one hundred sixty-eight billion, seven hundred eighty-seven million, three hundred thousand, one hundred eighty".