163085198 has 4 divisors (see below), whose sum is σ = 244627800. Its totient is φ = 81542598.

The previous prime is 163085191. The next prime is 163085201. The reversal of 163085198 is 891580361.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163085191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40771298 + ... + 40771301.

It is an arithmetic number, because the mean of its divisors is an integer number (61156950).

Almost surely, 2^163085198 is an apocalyptic number.

163085198 is a deficient number, since it is larger than the sum of its proper divisors (81542602).

163085198 is an equidigital number, since it uses as much as digits as its factorization.

163085198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81542601.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 163085198 is about 12770.4815101076. The cubic root of 163085198 is about 546.3507141316.

The spelling of 163085198 in words is "one hundred sixty-three million, eighty-five thousand, one hundred ninety-eight".