159811199 has 8 divisors (see below), whose sum is σ = 172510560. Its totient is φ = 147591136.

The previous prime is 159811193. The next prime is 159811217. The reversal of 159811199 is 991118951.

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

It is a cyclic number.

It is not a de Polignac number, because 159811199 - 2²⁰ = 158762623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159811193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119132 + ... + 120465.

It is an arithmetic number, because the mean of its divisors is an integer number (21563820).

Almost surely, 2^159811199 is an apocalyptic number.

159811199 is a deficient number, since it is larger than the sum of its proper divisors (12699361).

159811199 is a wasteful number, since it uses less digits than its factorization.

159811199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239649.

The product of its digits is 29160, while the sum is 44.

The square root of 159811199 is about 12641.6454229661. The cubic root of 159811199 is about 542.6699039560.

The spelling of 159811199 in words is "one hundred fifty-nine million, eight hundred eleven thousand, one hundred ninety-nine".