110111605666 has 8 divisors (see below), whose sum is σ = 165192640704. Its totient is φ = 55047392100.

The previous prime is 110111605657. The next prime is 110111605727. The reversal of 110111605666 is 666506111011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 4188990 + ... + 4215193.

It is an arithmetic number, because the mean of its divisors is an integer number (20649080088).

Almost surely, 2^110111605666 is an apocalyptic number.

110111605666 is a deficient number, since it is larger than the sum of its proper divisors (55081035038).

110111605666 is an equidigital number, since it uses as much as digits as its factorization.

110111605666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410736.

The product of its (nonzero) digits is 6480, while the sum is 34.

Adding to 110111605666 its reverse (666506111011), we get a palindrome (776617716677).

The spelling of 110111605666 in words is "one hundred ten billion, one hundred eleven million, six hundred five thousand, six hundred sixty-six".