243003043016 has 16 divisors (see below), whose sum is σ = 482432512140. Its totient is φ = 114354373120.

The previous prime is 243003043013. The next prime is 243003043027. The reversal of 243003043016 is 610340300342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 234401222500 + 8601820516 = 484150^2 + 92746^2 .

It is not an unprimeable number, because it can be changed into a prime (243003043013) 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, 893393405 + ... + 893393676.

Almost surely, 2^243003043016 is an apocalyptic number.

It is an amenable number.

243003043016 is a deficient number, since it is larger than the sum of its proper divisors (239429469124).

243003043016 is a wasteful number, since it uses less digits than its factorization.

243003043016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786787104 (or 1786787100 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 243003043016 its reverse (610340300342), we get a palindrome (853343343358).

The spelling of 243003043016 in words is "two hundred forty-three billion, three million, forty-three thousand, sixteen".