243143100016 has 80 divisors (see below), whose sum is σ = 503255959200. Its totient is φ = 113470156800.

The previous prime is 243143100001. The next prime is 243143100071. The reversal of 243143100016 is 610001341342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7586746 + ... + 7618726.

It is an arithmetic number, because the mean of its divisors is an integer number (6290699490).

Almost surely, 2^243143100016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243143100016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251627979600).

243143100016 is an abundant number, since it is smaller than the sum of its proper divisors (260112859184).

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

243143100016 is a wasteful number, since it uses less digits than its factorization.

243143100016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32378 (or 32372 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 243143100016 its reverse (610001341342), we get a palindrome (853144441358).

The spelling of 243143100016 in words is "two hundred forty-three billion, one hundred forty-three million, one hundred thousand, sixteen".