616625244 has 24 divisors (see below), whose sum is σ = 1598658320. Its totient is φ = 205541712.

The previous prime is 616625237. The next prime is 616625249. The reversal of 616625244 is 442526616.

616625244 is a `hidden beast` number, since 6 + 1 + 6 + 625 + 24 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 616625199 and 616625208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616625249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854639 + ... + 2854854.

Almost surely, 2^616625244 is an apocalyptic number.

It is an amenable number.

616625244 is an abundant number, since it is smaller than the sum of its proper divisors (982033076).

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

616625244 is a wasteful number, since it uses less digits than its factorization.

616625244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709506 (or 5709498 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 616625244 is about 24831.9399967059. The cubic root of 616625244 is about 851.1519532323.

The spelling of 616625244 in words is "six hundred sixteen million, six hundred twenty-five thousand, two hundred forty-four".