163198541 has 8 divisors (see below), whose sum is σ = 180543168. Its totient is φ = 146272000.

The previous prime is 163198531. The next prime is 163198591. The reversal of 163198541 is 145891361.

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 163198541 - 2¹⁴ = 163182157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 163198495 and 163198504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163198531) 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, 103700 + ... + 105261.

It is an arithmetic number, because the mean of its divisors is an integer number (22567896).

Almost surely, 2^163198541 is an apocalyptic number.

163198541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163198541 is a deficient number, since it is larger than the sum of its proper divisors (17344627).

163198541 is a wasteful number, since it uses less digits than its factorization.

163198541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209043.

The product of its digits is 25920, while the sum is 38.

The square root of 163198541 is about 12774.9184341819. The cubic root of 163198541 is about 546.4772547159.

The spelling of 163198541 in words is "one hundred sixty-three million, one hundred ninety-eight thousand, five hundred forty-one".