168871418554860 has 144 divisors (see below), whose sum is σ = 585561695846400. Its totient is φ = 38589899306112.

The previous prime is 168871418554849. The next prime is 168871418554919. The reversal of 168871418554860 is 68455814178861.

168871418554860 is a `hidden beast` number, since 1 + 6 + 8 + 8 + 7 + 1 + 4 + 1 + 8 + 554 + 8 + 60 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10872300 + ... + 21352979.

It is an arithmetic number, because the mean of its divisors is an integer number (4066400665600).

Almost surely, 2^{168871418554860} is an apocalyptic number.

168871418554860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168871418554860 is an abundant number, since it is smaller than the sum of its proper divisors (416690277291540).

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

168871418554860 is a wasteful number, since it uses less digits than its factorization.

168871418554860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32229460 (or 32229455 counting only the distinct ones).

The product of its (nonzero) digits is 412876800, while the sum is 72.

The spelling of 168871418554860 in words is "one hundred sixty-eight trillion, eight hundred seventy-one billion, four hundred eighteen million, five hundred fifty-four thousand, eight hundred sixty".