6660116555115 has 16 divisors (see below), whose sum is σ = 11119498944768. Its totient is φ = 3397624677216.

The previous prime is 6660116555087. The next prime is 6660116555119. The reversal of 6660116555115 is 5115556110666.

It is not a de Polignac number, because 6660116555115 - 2¹¹ = 6660116553067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6660116555119) 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 15 ways as a sum of consecutive naturals, for example, 9652342489 + ... + 9652343178.

It is an arithmetic number, because the mean of its divisors is an integer number (694968684048).

Almost surely, 2^{6660116555115} is an apocalyptic number.

6660116555115 is a deficient number, since it is larger than the sum of its proper divisors (4459382389653).

6660116555115 is a wasteful number, since it uses less digits than its factorization.

6660116555115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19304685698.

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 6660116555115 in words is "six trillion, six hundred sixty billion, one hundred sixteen million, five hundred fifty-five thousand, one hundred fifteen".