168168889760 has 48 divisors (see below), whose sum is σ = 404795230056. Its totient is φ = 65998353408.

The previous prime is 168168889723. The next prime is 168168889789. The reversal of 168168889760 is 67988861861.

It is a happy number.

168168889760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 168168887056 + 2704 = 410084^2 + 52^2 .

It is a super-2 number, since 2×168168889760² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9907139 + ... + 9924098.

Almost surely, 2^168168889760 is an apocalyptic number.

168168889760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168168889760 is an abundant number, since it is smaller than the sum of its proper divisors (236626340296).

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

168168889760 is a wasteful number, since it uses less digits than its factorization.

168168889760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19831305 (or 19831297 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 68.

The spelling of 168168889760 in words is "one hundred sixty-eight billion, one hundred sixty-eight million, eight hundred eighty-nine thousand, seven hundred sixty".