243116616402 has 128 divisors (see below), whose sum is σ = 602322739200. Its totient is φ = 72055209600.

The previous prime is 243116616401. The next prime is 243116616419. The reversal of 243116616402 is 204616611342.

243116616402 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 1 + 6 + 6 + 1 + 640 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (243116616401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76186627 + ... + 76189817.

It is an arithmetic number, because the mean of its divisors is an integer number (4705646400).

Almost surely, 2^243116616402 is an apocalyptic number.

243116616402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 243116616402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301161369600).

243116616402 is an abundant number, since it is smaller than the sum of its proper divisors (359206122798).

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

243116616402 is a wasteful number, since it uses less digits than its factorization.

243116616402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5989 (or 5983 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 243116616402 in words is "two hundred forty-three billion, one hundred sixteen million, six hundred sixteen thousand, four hundred two".