616443415244 has 12 divisors (see below), whose sum is σ = 1135553659800. Its totient is φ = 291999512448.

The previous prime is 616443415243. The next prime is 616443415267. The reversal of 616443415244 is 442514344616.

It is a happy number.

It is a super-2 number, since 2×616443415244² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 616443415195 and 616443415204.

It is not an unprimeable number, because it can be changed into a prime (616443415243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4055548709 + ... + 4055548860.

It is an arithmetic number, because the mean of its divisors is an integer number (94629471650).

Almost surely, 2^616443415244 is an apocalyptic number.

It is an amenable number.

616443415244 is a deficient number, since it is larger than the sum of its proper divisors (519110244556).

616443415244 is a wasteful number, since it uses less digits than its factorization.

616443415244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8111097592 (or 8111097590 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 44.

The spelling of 616443415244 in words is "six hundred sixteen billion, four hundred forty-three million, four hundred fifteen thousand, two hundred forty-four".