6660051666115 has 8 divisors (see below), whose sum is σ = 7993845570528. Its totient is φ = 5326852285440.

The previous prime is 6660051666109. The next prime is 6660051666143. The reversal of 6660051666115 is 5116661500666.

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

It is not a de Polignac number, because 6660051666115 - 2⁷ = 6660051665987 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 148606287 + ... + 148651096.

It is an arithmetic number, because the mean of its divisors is an integer number (999230696316).

Almost surely, 2^{6660051666115} is an apocalyptic number.

6660051666115 is a deficient number, since it is larger than the sum of its proper divisors (1333793904413).

6660051666115 is a wasteful number, since it uses less digits than its factorization.

6660051666115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297261869.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 6660051666115 in words is "six trillion, six hundred sixty billion, fifty-one million, six hundred sixty-six thousand, one hundred fifteen".