159918844 has 6 divisors (see below), whose sum is σ = 279857984. Its totient is φ = 79959420.

The previous prime is 159918841. The next prime is 159918859. The reversal of 159918844 is 448819951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159918841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19989852 + ... + 19989859.

Almost surely, 2^159918844 is an apocalyptic number.

It is an amenable number.

159918844 is a deficient number, since it is larger than the sum of its proper divisors (119939140).

159918844 is a wasteful number, since it uses less digits than its factorization.

159918844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39979715 (or 39979713 counting only the distinct ones).

The product of its digits is 414720, while the sum is 49.

The square root of 159918844 is about 12645.9022612070. The cubic root of 159918844 is about 542.7917197638.

The spelling of 159918844 in words is "one hundred fifty-nine million, nine hundred eighteen thousand, eight hundred forty-four".