163628198 has 8 divisors (see below), whose sum is σ = 245501280. Its totient is φ = 81794440.

The previous prime is 163628177. The next prime is 163628203. The reversal of 163628198 is 891826361.

163628198 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5123 + ... + 18801.

It is an arithmetic number, because the mean of its divisors is an integer number (30687660).

Almost surely, 2^163628198 is an apocalyptic number.

163628198 is a deficient number, since it is larger than the sum of its proper divisors (81873082).

163628198 is a wasteful number, since it uses less digits than its factorization.

163628198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19662.

The product of its digits is 124416, while the sum is 44.

The square root of 163628198 is about 12791.7238087757. The cubic root of 163628198 is about 546.9564093793.

The spelling of 163628198 in words is "one hundred sixty-three million, six hundred twenty-eight thousand, one hundred ninety-eight".