163455198 has 8 divisors (see below), whose sum is σ = 326910408. Its totient is φ = 54485064.

The previous prime is 163455191. The next prime is 163455199. The reversal of 163455198 is 891554361.

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

163455198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163455191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13621261 + ... + 13621272.

It is an arithmetic number, because the mean of its divisors is an integer number (40863801).

Almost surely, 2^163455198 is an apocalyptic number.

163455198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163455198 is a wasteful number, since it uses less digits than its factorization.

163455198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27242538.

The product of its digits is 129600, while the sum is 42.

The square root of 163455198 is about 12784.9598356819. The cubic root of 163455198 is about 546.7635802964.

The spelling of 163455198 in words is "one hundred sixty-three million, four hundred fifty-five thousand, one hundred ninety-eight".