168819467836680 has 128 divisors (see below), whose sum is σ = 562738209235200. Its totient is φ = 45017992774656.

The previous prime is 168819467836627. The next prime is 168819467836751. The reversal of 168819467836680 is 86638764918861.

168819467836680 is a `hidden beast` number, since 1 + 6 + 8 + 8 + 19 + 467 + 8 + 3 + 66 + 80 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 168819467836680.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95136112 + ... + 96894368.

It is an arithmetic number, because the mean of its divisors is an integer number (4396392259650).

Almost surely, 2^{168819467836680} is an apocalyptic number.

168819467836680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168819467836680 is an abundant number, since it is smaller than the sum of its proper divisors (393918741398520).

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

168819467836680 is a wasteful number, since it uses less digits than its factorization.

168819467836680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847180 (or 1847170 counting only the distinct ones).

The product of its (nonzero) digits is 4013162496, while the sum is 81.

The spelling of 168819467836680 in words is "one hundred sixty-eight trillion, eight hundred nineteen billion, four hundred sixty-seven million, eight hundred thirty-six thousand, six hundred eighty".