66110660111 has 8 divisors (see below), whose sum is σ = 66358377600. Its totient is φ = 65863008288.

The previous prime is 66110660039. The next prime is 66110660197. The reversal of 66110660111 is 11106601166.

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-66110660111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66110660411) 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 7 ways as a sum of consecutive naturals, for example, 3077570 + ... + 3098976.

It is an arithmetic number, because the mean of its divisors is an integer number (8294797200).

Almost surely, 2^66110660111 is an apocalyptic number.

66110660111 is a deficient number, since it is larger than the sum of its proper divisors (247717489).

66110660111 is a wasteful number, since it uses less digits than its factorization.

66110660111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32833.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 66110660111 in words is "sixty-six billion, one hundred ten million, six hundred sixty thousand, one hundred eleven".