159911491318 has 16 divisors (see below), whose sum is σ = 242831579760. Its totient is φ = 78972260256.

The previous prime is 159911491273. The next prime is 159911491381. The reversal of 159911491318 is 813194119951.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087896 + ... + 1226107.

It is an arithmetic number, because the mean of its divisors is an integer number (15176973735).

Almost surely, 2^159911491318 is an apocalyptic number.

159911491318 is a deficient number, since it is larger than the sum of its proper divisors (82920088442).

159911491318 is a wasteful number, since it uses less digits than its factorization.

159911491318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314431.

The product of its digits is 349920, while the sum is 52.

The spelling of 159911491318 in words is "one hundred fifty-nine billion, nine hundred eleven million, four hundred ninety-one thousand, three hundred eighteen".