10656106666661 has 8 divisors (see below), whose sum is σ = 11119500519360. Its totient is φ = 10192719886272.

The previous prime is 10656106666577. The next prime is 10656106666679. The reversal of 10656106666661 is 16666660165601.

10656106666661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10656106666661 is a prime.

It is a super-2 number, since 2×10656106666661² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10656106666597 and 10656106666606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10656106686661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434350 + ... + 4834208.

It is an arithmetic number, because the mean of its divisors is an integer number (1389937564920).

Almost surely, 2^{10656106666661} is an apocalyptic number.

It is an amenable number.

10656106666661 is a deficient number, since it is larger than the sum of its proper divisors (463393852699).

10656106666661 is a wasteful number, since it uses less digits than its factorization.

10656106666661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536155.

The product of its (nonzero) digits is 8398080, while the sum is 56.

The spelling of 10656106666661 in words is "ten trillion, six hundred fifty-six billion, one hundred six million, six hundred sixty-six thousand, six hundred sixty-one".