163143199 has 4 divisors (see below), whose sum is σ = 163276960. Its totient is φ = 163009440.

The previous prime is 163143187. The next prime is 163143217. The reversal of 163143199 is 991341361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163143199 - 2¹⁷ = 163012127 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 (163143109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65034 + ... + 67495.

It is an arithmetic number, because the mean of its divisors is an integer number (40819240).

Almost surely, 2^163143199 is an apocalyptic number.

163143199 is a deficient number, since it is larger than the sum of its proper divisors (133761).

163143199 is a wasteful number, since it uses less digits than its factorization.

163143199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133760.

The product of its digits is 17496, while the sum is 37.

The square root of 163143199 is about 12772.7522092930. The cubic root of 163143199 is about 546.4154760520.

The spelling of 163143199 in words is "one hundred sixty-three million, one hundred forty-three thousand, one hundred ninety-nine".