168687016852 has 24 divisors (see below), whose sum is σ = 313086961152. Its totient is φ = 79353832800.

The previous prime is 168687016787. The next prime is 168687016871. The reversal of 168687016852 is 258610786861.

168687016852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 15023524 + ... + 15034747.

It is an arithmetic number, because the mean of its divisors is an integer number (13045290048).

Almost surely, 2^168687016852 is an apocalyptic number.

It is an amenable number.

168687016852 is a deficient number, since it is larger than the sum of its proper divisors (144399944300).

168687016852 is a wasteful number, since it uses less digits than its factorization.

168687016852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30058359 (or 30058357 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 168687016852 in words is "one hundred sixty-eight billion, six hundred eighty-seven million, sixteen thousand, eight hundred fifty-two".