106656106677 has 4 divisors (see below), whose sum is σ = 142208142240. Its totient is φ = 71104071116.

The previous prime is 106656106657. The next prime is 106656106691. The reversal of 106656106677 is 776601656601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106656106677 - 2¹⁰ = 106656105653 is a prime.

It is a super-2 number, since 2×106656106677² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106656106657) by changing a digit.

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, 17776017777 + ... + 17776017782.

It is an arithmetic number, because the mean of its divisors is an integer number (35552035560).

Almost surely, 2^106656106677 is an apocalyptic number.

It is an amenable number.

106656106677 is a deficient number, since it is larger than the sum of its proper divisors (35552035563).

106656106677 is an equidigital number, since it uses as much as digits as its factorization.

106656106677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35552035562.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 106656106677 in words is "one hundred six billion, six hundred fifty-six million, one hundred six thousand, six hundred seventy-seven".