556324616 has 8 divisors (see below), whose sum is σ = 1043108670. Its totient is φ = 278162304.

The previous prime is 556324597. The next prime is 556324687. The reversal of 556324616 is 616423655.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 323640100 + 232684516 = 17990^2 + 15254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 556324616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34770281 + ... + 34770296.

Almost surely, 2^556324616 is an apocalyptic number.

It is an amenable number.

556324616 is a deficient number, since it is larger than the sum of its proper divisors (486784054).

556324616 is a wasteful number, since it uses less digits than its factorization.

556324616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69540583 (or 69540579 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 556324616 is about 23586.5346331334. The cubic root of 556324616 is about 822.4498497707.

The spelling of 556324616 in words is "five hundred fifty-six million, three hundred twenty-four thousand, six hundred sixteen".