199159161 has 8 divisors (see below), whose sum is σ = 270046560. Its totient is φ = 130522272.

The previous prime is 199159141. The next prime is 199159171. The reversal of 199159161 is 161951991.

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

It is not a de Polignac number, because 199159161 - 2⁹ = 199158649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199159141) 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, 562420 + ... + 562773.

It is an arithmetic number, because the mean of its divisors is an integer number (33755820).

Almost surely, 2^199159161 is an apocalyptic number.

It is an amenable number.

199159161 is a deficient number, since it is larger than the sum of its proper divisors (70887399).

199159161 is a wasteful number, since it uses less digits than its factorization.

199159161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125255.

The product of its digits is 21870, while the sum is 42.

The square root of 199159161 is about 14112.3761642042. The cubic root of 199159161 is about 583.9828537297.

The spelling of 199159161 in words is "one hundred ninety-nine million, one hundred fifty-nine thousand, one hundred sixty-one".