168016651530156 has 144 divisors (see below), whose sum is σ = 506405684348928. Its totient is φ = 46296206985600.

The previous prime is 168016651530149. The next prime is 168016651530181. The reversal of 168016651530156 is 651035156610861.

168016651530156 is a `hidden beast` number, since 1 + 6 + 8 + 0 + 1 + 6 + 6 + 51 + 530 + 1 + 56 = 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, 243216780 + ... + 243906611.

It is an arithmetic number, because the mean of its divisors is an integer number (3516706141312).

Almost surely, 2^{168016651530156} is an apocalyptic number.

It is an amenable number.

168016651530156 is an abundant number, since it is smaller than the sum of its proper divisors (338389032818772).

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

168016651530156 is a wasteful number, since it uses less digits than its factorization.

168016651530156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487123492 (or 487123487 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 54.

The spelling of 168016651530156 in words is "one hundred sixty-eight trillion, sixteen billion, six hundred fifty-one million, five hundred thirty thousand, one hundred fifty-six".