10656016556566 has 8 divisors (see below), whose sum is σ = 16202984079384. Its totient is φ = 5255021863440.

The previous prime is 10656016556527. The next prime is 10656016556609. The reversal of 10656016556566 is 66565561065601.

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

It is a super-2 number, since 2×10656016556566² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10656016556566.

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, 36493207240 + ... + 36493207531.

It is an arithmetic number, because the mean of its divisors is an integer number (2025373009923).

Almost surely, 2^{10656016556566} is an apocalyptic number.

10656016556566 is a deficient number, since it is larger than the sum of its proper divisors (5546967522818).

10656016556566 is an equidigital number, since it uses as much as digits as its factorization.

10656016556566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72986414846.

The product of its (nonzero) digits is 29160000, while the sum is 58.

The spelling of 10656016556566 in words is "ten trillion, six hundred fifty-six billion, sixteen million, five hundred fifty-six thousand, five hundred sixty-six".