159027986 has 24 divisors (see below), whose sum is σ = 271908720. Its totient is φ = 69531696.

The previous prime is 159027919. The next prime is 159027997. The reversal of 159027986 is 689720951.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 159027986.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 5960 + ... + 18803.

It is an arithmetic number, because the mean of its divisors is an integer number (11329530).

Almost surely, 2^159027986 is an apocalyptic number.

159027986 is a deficient number, since it is larger than the sum of its proper divisors (112880734).

159027986 is a wasteful number, since it uses less digits than its factorization.

159027986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24810 (or 24797 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 159027986 is about 12610.6298811756. The cubic root of 159027986 is about 541.7819345801.

The spelling of 159027986 in words is "one hundred fifty-nine million, twenty-seven thousand, nine hundred eighty-six".