159667198 has 8 divisors (see below), whose sum is σ = 241249392. Its totient is φ = 79250736.

The previous prime is 159667169. The next prime is 159667199. The reversal of 159667198 is 891766951.

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

It is a super-2 number, since 2×159667198² = 50987228234342408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159667199) 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, 291090 + ... + 291637.

It is an arithmetic number, because the mean of its divisors is an integer number (30156174).

Almost surely, 2^159667198 is an apocalyptic number.

159667198 is a deficient number, since it is larger than the sum of its proper divisors (81582194).

159667198 is a wasteful number, since it uses less digits than its factorization.

159667198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582866.

The product of its digits is 816480, while the sum is 52.

The square root of 159667198 is about 12635.9486387054. The cubic root of 159667198 is about 542.5068605389.

The spelling of 159667198 in words is "one hundred fifty-nine million, six hundred sixty-seven thousand, one hundred ninety-eight".