616711257572 has 12 divisors (see below), whose sum is σ = 1079256092460. Its totient is φ = 308352374016.

The previous prime is 616711257571. The next prime is 616711257601. The reversal of 616711257572 is 275752117616.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39849741376 + 576861516196 = 199624^2 + 759514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 616711257572.

It is not an unprimeable number, because it can be changed into a prime (616711257571) 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, 359153 + ... + 1167224.

It is an arithmetic number, because the mean of its divisors is an integer number (89938007705).

Almost surely, 2^616711257572 is an apocalyptic number.

It is an amenable number.

616711257572 is a deficient number, since it is larger than the sum of its proper divisors (462544834888).

616711257572 is a wasteful number, since it uses less digits than its factorization.

616711257572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627390 (or 1627388 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 50.

The spelling of 616711257572 in words is "six hundred sixteen billion, seven hundred eleven million, two hundred fifty-seven thousand, five hundred seventy-two".