5566221016 has 16 divisors (see below), whose sum is σ = 10443724200. Its totient is φ = 2781227904.

The previous prime is 5566220953. The next prime is 5566221029. The reversal of 5566221016 is 6101226655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222721 + ... + 246448.

Almost surely, 2^5566221016 is an apocalyptic number.

It is an amenable number.

5566221016 is a deficient number, since it is larger than the sum of its proper divisors (4877503184).

5566221016 is a wasteful number, since it uses less digits than its factorization.

5566221016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470658 (or 470654 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5566221016 is about 74607.1110283732. Note that the first 3 decimals coincide. The cubic root of 5566221016 is about 1772.2302650929.

The spelling of 5566221016 in words is "five billion, five hundred sixty-six million, two hundred twenty-one thousand, sixteen".