116655556666 has 8 divisors (see below), whose sum is σ = 190890910944. Its totient is φ = 53025253020.

The previous prime is 116655556631. The next prime is 116655556691. The reversal of 116655556666 is 666655556611.

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

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 116655556666.

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, 2651262630 + ... + 2651262673.

It is an arithmetic number, because the mean of its divisors is an integer number (23861363868).

Almost surely, 2^116655556666 is an apocalyptic number.

116655556666 is a deficient number, since it is larger than the sum of its proper divisors (74235354278).

116655556666 is a wasteful number, since it uses less digits than its factorization.

116655556666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302525316.

The product of its digits is 29160000, while the sum is 58.

Subtracting 116655556666 from its reverse (666655556611), we obtain a palindrome (549999999945).

It can be divided in two parts, 1166555 and 56666, that added together give a palindrome (1223221).

The spelling of 116655556666 in words is "one hundred sixteen billion, six hundred fifty-five million, five hundred fifty-six thousand, six hundred sixty-six".