6661116101110 has 64 divisors (see below), whose sum is σ = 12511817575488. Its totient is φ = 2551033465344.

The previous prime is 6661116101063. The next prime is 6661116101117. The reversal of 6661116101110 is 111016111666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6661116101117) 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 31 ways as a sum of consecutive naturals, for example, 24775764 + ... + 25043176.

It is an arithmetic number, because the mean of its divisors is an integer number (195497149617).

Almost surely, 2^{6661116101110} is an apocalyptic number.

6661116101110 is a deficient number, since it is larger than the sum of its proper divisors (5850701474378).

6661116101110 is a wasteful number, since it uses less digits than its factorization.

6661116101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268609.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 6661116101110 in words is "six trillion, six hundred sixty-one billion, one hundred sixteen million, one hundred one thousand, one hundred ten".