159108426918 has 48 divisors (see below), whose sum is σ = 394975295520. Its totient is φ = 45345028608.

The previous prime is 159108426907. The next prime is 159108426943. The reversal of 159108426918 is 819624801951.

159108426918 is a `hidden beast` number, since 1 + 591 + 0 + 8 + 42 + 6 + 9 + 1 + 8 = 666.

159108426918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1540363 + ... + 1640406.

It is an arithmetic number, because the mean of its divisors is an integer number (8228651990).

Almost surely, 2^159108426918 is an apocalyptic number.

159108426918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

159108426918 is an abundant number, since it is smaller than the sum of its proper divisors (235866868602).

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

159108426918 is a wasteful number, since it uses less digits than its factorization.

159108426918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181181 (or 3181178 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The spelling of 159108426918 in words is "one hundred fifty-nine billion, one hundred eight million, four hundred twenty-six thousand, nine hundred eighteen".