7106661443123 has 16 divisors (see below), whose sum is σ = 8210450304000. Its totient is φ = 6079316841600.

The previous prime is 7106661443087. The next prime is 7106661443129. The reversal of 7106661443123 is 3213441666017.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7106661443123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7106661443129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2990123 + ... + 4811876.

It is an arithmetic number, because the mean of its divisors is an integer number (513153144000).

Almost surely, 2^{7106661443123} is an apocalyptic number.

7106661443123 is a deficient number, since it is larger than the sum of its proper divisors (1103788860877).

7106661443123 is a wasteful number, since it uses less digits than its factorization.

7106661443123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806898.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 7106661443123 in words is "seven trillion, one hundred six billion, six hundred sixty-one million, four hundred forty-three thousand, one hundred twenty-three".