556306616 has 8 divisors (see below), whose sum is σ = 1043074920. Its totient is φ = 278153304.

The previous prime is 556306601. The next prime is 556306651. The reversal of 556306616 is 616603655.

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 556306616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34769156 + ... + 34769171.

It is an arithmetic number, because the mean of its divisors is an integer number (130384365).

Almost surely, 2^556306616 is an apocalyptic number.

It is an amenable number.

556306616 is a deficient number, since it is larger than the sum of its proper divisors (486768304).

556306616 is a wasteful number, since it uses less digits than its factorization.

556306616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69538333 (or 69538329 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 556306616 is about 23586.1530564015. The cubic root of 556306616 is about 822.4409794957.

The spelling of 556306616 in words is "five hundred fifty-six million, three hundred six thousand, six hundred sixteen".