198601171 has 8 divisors (see below), whose sum is σ = 203742000. Its totient is φ = 193474560.

The previous prime is 198601141. The next prime is 198601213. The reversal of 198601171 is 171106891.

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 198601171 - 2⁹ = 198600659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198601121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28380 + ... + 34678.

It is an arithmetic number, because the mean of its divisors is an integer number (25467750).

Almost surely, 2^198601171 is an apocalyptic number.

198601171 is a deficient number, since it is larger than the sum of its proper divisors (5140829).

198601171 is an equidigital number, since it uses as much as digits as its factorization.

198601171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109.

The product of its (nonzero) digits is 3024, while the sum is 34.

The square root of 198601171 is about 14092.5927706721. The cubic root of 198601171 is about 583.4369563578.

The spelling of 198601171 in words is "one hundred ninety-eight million, six hundred one thousand, one hundred seventy-one".