159981249318 has 16 divisors (see below), whose sum is σ = 349049998656. Its totient is φ = 48479166440.

The previous prime is 159981249317. The next prime is 159981249361. The reversal of 159981249318 is 813942189951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159981249317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211979096 + ... + 1211979227.

It is an arithmetic number, because the mean of its divisors is an integer number (21815624916).

Almost surely, 2^159981249318 is an apocalyptic number.

159981249318 is an abundant number, since it is smaller than the sum of its proper divisors (189068749338).

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

159981249318 is a wasteful number, since it uses less digits than its factorization.

159981249318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423958339.

The product of its digits is 5598720, while the sum is 60.

The spelling of 159981249318 in words is "one hundred fifty-nine billion, nine hundred eighty-one million, two hundred forty-nine thousand, three hundred eighteen".