243113612237616 has 40 divisors (see below), whose sum is σ = 661098419245120. Its totient is φ = 76772719653696.

The previous prime is 243113612237609. The next prime is 243113612237621. The reversal of 243113612237616 is 616732216311342.

It is a super-2 number, since 2×243113612237616² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133285970710 + ... + 133285972533.

It is an arithmetic number, because the mean of its divisors is an integer number (16527460481128).

Almost surely, 2^{243113612237616} is an apocalyptic number.

It is an amenable number.

243113612237616 is an abundant number, since it is smaller than the sum of its proper divisors (417984807007504).

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

243113612237616 is a wasteful number, since it uses less digits than its factorization.

243113612237616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266571943273 (or 266571943267 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

Adding to 243113612237616 its reverse (616732216311342), we get a palindrome (859845828548958).

The spelling of 243113612237616 in words is "two hundred forty-three trillion, one hundred thirteen billion, six hundred twelve million, two hundred thirty-seven thousand, six hundred sixteen".