159111198 has 24 divisors (see below), whose sum is σ = 349888968. Its totient is φ = 52245072.

The previous prime is 159111191. The next prime is 159111203. The reversal of 159111198 is 891111951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159111191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64761 + ... + 67172.

It is an arithmetic number, because the mean of its divisors is an integer number (14578707).

Almost surely, 2^159111198 is an apocalyptic number.

159111198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

159111198 is an abundant number, since it is smaller than the sum of its proper divisors (190777770).

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

159111198 is a wasteful number, since it uses less digits than its factorization.

159111198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132008 (or 132005 counting only the distinct ones).

The product of its digits is 3240, while the sum is 36.

The square root of 159111198 is about 12613.9287297812. The cubic root of 159111198 is about 541.8764145906.

The spelling of 159111198 in words is "one hundred fifty-nine million, one hundred eleven thousand, one hundred ninety-eight".