10656665160005 has 4 divisors (see below), whose sum is σ = 12787998192012. Its totient is φ = 8525332128000.

The previous prime is 10656665159981. The next prime is 10656665160013. The reversal of 10656665160005 is 50006156665601.

10656665160005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4164860558401 + 6491804601604 = 2040799^2 + 2547902^2 .

It is not a de Polignac number, because 10656665160005 - 2⁶ = 10656665159941 is a prime.

It is a super-2 number, since 2×10656665160005² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065666515996 + ... + 1065666516005.

It is an arithmetic number, because the mean of its divisors is an integer number (3196999548003).

Almost surely, 2^{10656665160005} is an apocalyptic number.

It is an amenable number.

10656665160005 is a deficient number, since it is larger than the sum of its proper divisors (2131333032007).

10656665160005 is an equidigital number, since it uses as much as digits as its factorization.

10656665160005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131333032006.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 10656665160005 in words is "ten trillion, six hundred fifty-six billion, six hundred sixty-five million, one hundred sixty thousand, five".