159998478 has 16 divisors (see below), whose sum is σ = 320123856. Its totient is φ = 53311680.

The previous prime is 159998477. The next prime is 159998483. The reversal of 159998478 is 874899951.

159998478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159998477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21708 + ... + 28128.

It is an arithmetic number, because the mean of its divisors is an integer number (20007741).

Almost surely, 2^159998478 is an apocalyptic number.

159998478 is an abundant number, since it is smaller than the sum of its proper divisors (160125378).

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

159998478 is a wasteful number, since it uses less digits than its factorization.

159998478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579.

The product of its digits is 6531840, while the sum is 60.

The square root of 159998478 is about 12649.0504781980. The cubic root of 159998478 is about 542.8818019204.

The spelling of 159998478 in words is "one hundred fifty-nine million, nine hundred ninety-eight thousand, four hundred seventy-eight".