616202215540244 has 24 divisors (see below), whose sum is σ = 1080036415823400. Its totient is φ = 307620703047680.

The previous prime is 616202215540229. The next prime is 616202215540267. The reversal of 616202215540244 is 442045512202616.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56831846916100 + 559370368624144 = 7538690^2 + 23651012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 616202215540195 and 616202215540204.

It is a congruent number.

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, 32385077 + ... + 47761884.

It is an arithmetic number, because the mean of its divisors is an integer number (45001517325975).

Almost surely, 2^{616202215540244} is an apocalyptic number.

It is an amenable number.

616202215540244 is a deficient number, since it is larger than the sum of its proper divisors (463834200283156).

616202215540244 is a wasteful number, since it uses less digits than its factorization.

616202215540244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80149963 (or 80149961 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 616202215540244 in words is "six hundred sixteen trillion, two hundred two billion, two hundred fifteen million, five hundred forty thousand, two hundred forty-four".