8656566630 has 32 divisors (see below), whose sum is σ = 21869222400. Its totient is φ = 2186921952.

The previous prime is 8656566623. The next prime is 8656566679. The reversal of 8656566630 is 366656568.

8656566630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8656566630² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 7592910 + ... + 7594049.

It is an arithmetic number, because the mean of its divisors is an integer number (683413200).

Almost surely, 2^8656566630 is an apocalyptic number.

8656566630 is an abundant number, since it is smaller than the sum of its proper divisors (13212655770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8656566630 is a wasteful number, since it uses less digits than its factorization.

8656566630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186988.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The square root of 8656566630 is about 93040.6719128790. The cubic root of 8656566630 is about 2053.2818050882.

The spelling of 8656566630 in words is "eight billion, six hundred fifty-six million, five hundred sixty-six thousand, six hundred thirty".