159949518 has 8 divisors (see below), whose sum is σ = 319899048. Its totient is φ = 53316504.

The previous prime is 159949511. The next prime is 159949523. The reversal of 159949518 is 815949951.

159949518 is digitally balanced in base 3, 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.

159949518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159949511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13329121 + ... + 13329132.

It is an arithmetic number, because the mean of its divisors is an integer number (39987381).

Almost surely, 2^159949518 is an apocalyptic number.

159949518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

159949518 is a wasteful number, since it uses less digits than its factorization.

159949518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26658258.

The product of its digits is 583200, while the sum is 51.

The square root of 159949518 is about 12647.1150069887. The cubic root of 159949518 is about 542.8264218006.

The spelling of 159949518 in words is "one hundred fifty-nine million, nine hundred forty-nine thousand, five hundred eighteen".