159478892218 has 8 divisors (see below), whose sum is σ = 239568586848. Its totient is φ = 79622696604.

The previous prime is 159478892197. The next prime is 159478892257. The reversal of 159478892218 is 812298874951.

159478892218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 159478892218.

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 3 ways as a sum of consecutive naturals, for example, 58373046 + ... + 58375777.

It is an arithmetic number, because the mean of its divisors is an integer number (29946073356).

Almost surely, 2^159478892218 is an apocalyptic number.

159478892218 is a deficient number, since it is larger than the sum of its proper divisors (80089694630).

159478892218 is a wasteful number, since it uses less digits than its factorization.

159478892218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116749508.

The product of its digits is 23224320, while the sum is 64.

The spelling of 159478892218 in words is "one hundred fifty-nine billion, four hundred seventy-eight million, eight hundred ninety-two thousand, two hundred eighteen".