10566456216 has 64 divisors (see below), whose sum is σ = 27990424800. Its totient is φ = 3312549888.

The previous prime is 10566456179. The next prime is 10566456221. The reversal of 10566456216 is 61265466501.

It is a super-3 number, since 3×10566456216³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598816 + ... + 616208.

Almost surely, 2^10566456216 is an apocalyptic number.

It is an amenable number.

10566456216 is an abundant number, since it is smaller than the sum of its proper divisors (17423968584).

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

10566456216 is a wasteful number, since it uses less digits than its factorization.

10566456216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18908 (or 18904 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 10566456216 in words is "ten billion, five hundred sixty-six million, four hundred fifty-six thousand, two hundred sixteen".