163198543 has 16 divisors (see below), whose sum is σ = 175824000. Its totient is φ = 151012512.

The previous prime is 163198531. The next prime is 163198591. The reversal of 163198543 is 345891361.

It is a cyclic number.

It is not a de Polignac number, because 163198543 - 2⁹ = 163198031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163198496 and 163198505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163198843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220468 + ... + 221206.

It is an arithmetic number, because the mean of its divisors is an integer number (10989000).

Almost surely, 2^163198543 is an apocalyptic number.

163198543 is a deficient number, since it is larger than the sum of its proper divisors (12625457).

163198543 is a wasteful number, since it uses less digits than its factorization.

163198543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014.

The product of its digits is 77760, while the sum is 40.

The square root of 163198543 is about 12774.9185124603. The cubic root of 163198543 is about 546.4772569483.

The spelling of 163198543 in words is "one hundred sixty-three million, one hundred ninety-eight thousand, five hundred forty-three".