170000198 has 16 divisors (see below), whose sum is σ = 257280576. Its totient is φ = 84243240.

The previous prime is 170000191. The next prime is 170000213. The reversal of 170000198 is 891000071.

170000198 is a modest number, since divided by 198 gives 170 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170000191) 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, 209213 + ... + 210023.

It is an arithmetic number, because the mean of its divisors is an integer number (16080036).

Almost surely, 2^170000198 is an apocalyptic number.

170000198 is a deficient number, since it is larger than the sum of its proper divisors (87280378).

170000198 is a wasteful number, since it uses less digits than its factorization.

170000198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 170000198 is about 13038.4124033565. The cubic root of 170000198 is about 553.9660407444.

The spelling of 170000198 in words is "one hundred seventy million, one hundred ninety-eight", and thus it is an aban number.