168987413916 has 96 divisors (see below), whose sum is σ = 461774779200. Its totient is φ = 53360536320.

The previous prime is 168987413897. The next prime is 168987413981. The reversal of 168987413916 is 619314789861.

168987413916 is a `hidden beast` number, since 168 + 9 + 87 + 4 + 1 + 391 + 6 = 666.

It is a congruent number.

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, 343015 + ... + 675006.

It is an arithmetic number, because the mean of its divisors is an integer number (4810153950).

Almost surely, 2^168987413916 is an apocalyptic number.

It is an amenable number.

168987413916 is an abundant number, since it is smaller than the sum of its proper divisors (292787365284).

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

168987413916 is a wasteful number, since it uses less digits than its factorization.

168987413916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018116 (or 1018108 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The spelling of 168987413916 in words is "one hundred sixty-eight billion, nine hundred eighty-seven million, four hundred thirteen thousand, nine hundred sixteen".