543197868 has 12 divisors (see below), whose sum is σ = 1267461720. Its totient is φ = 181065952.

The previous prime is 543197861. The next prime is 543197873. The reversal of 543197868 is 868791345.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 543197868.

It is not an unprimeable number, because it can be changed into a prime (543197861) 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, 22633233 + ... + 22633256.

It is an arithmetic number, because the mean of its divisors is an integer number (105621810).

Almost surely, 2^543197868 is an apocalyptic number.

It is an amenable number.

543197868 is an abundant number, since it is smaller than the sum of its proper divisors (724263852).

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

543197868 is a wasteful number, since it uses less digits than its factorization.

543197868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45266496 (or 45266494 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 543197868 is about 23306.6056730705. The cubic root of 543197868 is about 815.9295943195.

The spelling of 543197868 in words is "five hundred forty-three million, one hundred ninety-seven thousand, eight hundred sixty-eight".