5616599566 has 4 divisors (see below), whose sum is σ = 8424899352. Its totient is φ = 2808299782.

The previous prime is 5616599543. The next prime is 5616599603. The reversal of 5616599566 is 6659956165.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5616599566.

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, 1404149890 + ... + 1404149893.

It is an arithmetic number, because the mean of its divisors is an integer number (2106224838).

Almost surely, 2^5616599566 is an apocalyptic number.

5616599566 is a deficient number, since it is larger than the sum of its proper divisors (2808299786).

5616599566 is a wasteful number, since it uses less digits than its factorization.

5616599566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808299785.

The product of its digits is 13122000, while the sum is 58.

The square root of 5616599566 is about 74943.9761822123. The cubic root of 5616599566 is about 1777.5608942037.

It can be divided in two parts, 5616599 and 566, that added together give a palindrome (5617165).

The spelling of 5616599566 in words is "five billion, six hundred sixteen million, five hundred ninety-nine thousand, five hundred sixty-six".