243261006416 has 40 divisors (see below), whose sum is σ = 501036607200. Its totient is φ = 114088003200.

The previous prime is 243261006407. The next prime is 243261006427. The reversal of 243261006416 is 614600162342.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3930686 + ... + 3992093.

It is an arithmetic number, because the mean of its divisors is an integer number (12525915180).

Almost surely, 2^243261006416 is an apocalyptic number.

It is an amenable number.

243261006416 is an abundant number, since it is smaller than the sum of its proper divisors (257775600784).

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

243261006416 is a wasteful number, since it uses less digits than its factorization.

243261006416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7922907 (or 7922901 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 243261006416 its reverse (614600162342), we get a palindrome (857861168758).

The spelling of 243261006416 in words is "two hundred forty-three billion, two hundred sixty-one million, six thousand, four hundred sixteen".