198160543 has 4 divisors (see below), whose sum is σ = 226469200. Its totient is φ = 169851888.

The previous prime is 198160531. The next prime is 198160553. The reversal of 198160543 is 345061891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345061891 = 9403 ⋅36697.

It is a cyclic number.

It is not a de Polignac number, because 198160543 - 2⁵ = 198160511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198160553) 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, 14154318 + ... + 14154331.

It is an arithmetic number, because the mean of its divisors is an integer number (56617300).

Almost surely, 2^198160543 is an apocalyptic number.

198160543 is a deficient number, since it is larger than the sum of its proper divisors (28308657).

198160543 is an equidigital number, since it uses as much as digits as its factorization.

198160543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28308656.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 198160543 is about 14076.9507706747. The cubic root of 198160543 is about 583.0051545784.

The spelling of 198160543 in words is "one hundred ninety-eight million, one hundred sixty thousand, five hundred forty-three".