6661116101116 has 6 divisors (see below), whose sum is σ = 11656953176960. Its totient is φ = 3330558050556.

The previous prime is 6661116101063. The next prime is 6661116101117. The reversal of 6661116101116 is 6111016111666.

It is a super-2 number, since 2×6661116101116² (a number of 26 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 832639512636 + ... + 832639512643.

Almost surely, 2^{6661116101116} is an apocalyptic number.

It is an amenable number.

6661116101116 is a deficient number, since it is larger than the sum of its proper divisors (4995837075844).

6661116101116 is a wasteful number, since it uses less digits than its factorization.

6661116101116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665279025283 (or 1665279025281 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 6661116101116 in words is "six trillion, six hundred sixty-one billion, one hundred sixteen million, one hundred one thousand, one hundred sixteen".