159331198 has 16 divisors (see below), whose sum is σ = 258342336. Its totient is φ = 73262880.

The previous prime is 159331181. The next prime is 159331261. The reversal of 159331198 is 891133951.

It is a super-2 number, since 2×159331198² = 50772861312230408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 159331198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4261 + ... + 18352.

It is an arithmetic number, because the mean of its divisors is an integer number (16146396).

Almost surely, 2^159331198 is an apocalyptic number.

159331198 is a deficient number, since it is larger than the sum of its proper divisors (99011138).

159331198 is a wasteful number, since it uses less digits than its factorization.

159331198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22899.

The product of its digits is 29160, while the sum is 40.

The square root of 159331198 is about 12622.6462360315. The cubic root of 159331198 is about 542.1260469451.

The spelling of 159331198 in words is "one hundred fifty-nine million, three hundred thirty-one thousand, one hundred ninety-eight".