159191950 has 12 divisors (see below), whose sum is σ = 296097120. Its totient is φ = 63676760.

The previous prime is 159191941. The next prime is 159191951. The reversal of 159191950 is 59191951.

159191950 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 (159191951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1591870 + ... + 1591969.

It is an arithmetic number, because the mean of its divisors is an integer number (24674760).

Almost surely, 2^159191950 is an apocalyptic number.

159191950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159191950 is a deficient number, since it is larger than the sum of its proper divisors (136905170).

159191950 is a wasteful number, since it uses less digits than its factorization.

159191950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183851 (or 3183846 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 40.

The square root of 159191950 is about 12617.1292297416. The cubic root of 159191950 is about 541.9680699953.

Subtracting from 159191950 its reverse (59191951), we obtain a palindrome (99999999).

The spelling of 159191950 in words is "one hundred fifty-nine million, one hundred ninety-one thousand, nine hundred fifty".