159987142474168 has 16 divisors (see below), whose sum is σ = 300264608124000. Its totient is φ = 79916580307776.

The previous prime is 159987142474163. The next prime is 159987142474283. The reversal of 159987142474168 is 861474241789951.

It is a junction number, because it is equal to n+sod(n) for n = 159987142474094 and 159987142474103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159987142474163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9623857333 + ... + 9623873956.

It is an arithmetic number, because the mean of its divisors is an integer number (18766538007750).

Almost surely, 2^{159987142474168} is an apocalyptic number.

It is an amenable number.

159987142474168 is a deficient number, since it is larger than the sum of its proper divisors (140277465649832).

159987142474168 is a wasteful number, since it uses less digits than its factorization.

159987142474168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19247732334 (or 19247732330 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 76.

The spelling of 159987142474168 in words is "one hundred fifty-nine trillion, nine hundred eighty-seven billion, one hundred forty-two million, four hundred seventy-four thousand, one hundred sixty-eight".