5566509646 has 8 divisors (see below), whose sum is σ = 8380576224. Its totient is φ = 2772984240.

The previous prime is 5566509643. The next prime is 5566509647. The reversal of 5566509646 is 6469056655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5566509646² = 61972059278022090632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5566509593 and 5566509602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566509643) 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, 5134615 + ... + 5135698.

It is an arithmetic number, because the mean of its divisors is an integer number (1047572028).

Almost surely, 2^5566509646 is an apocalyptic number.

5566509646 is a deficient number, since it is larger than the sum of its proper divisors (2814066578).

5566509646 is a wasteful number, since it uses less digits than its factorization.

5566509646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10270586.

The product of its (nonzero) digits is 5832000, while the sum is 52.

The square root of 5566509646 is about 74609.0453363397. The cubic root of 5566509646 is about 1772.2608968854.

The spelling of 5566509646 in words is "five billion, five hundred sixty-six million, five hundred nine thousand, six hundred forty-six".