1668516668335 has 8 divisors (see below), whose sum is σ = 2184240002256. Its totient is φ = 1213466667840.

The previous prime is 1668516668327. The next prime is 1668516668347. The reversal of 1668516668335 is 5338666158661.

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

It is not a de Polignac number, because 1668516668335 - 2³ = 1668516668327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15168333294 + ... + 15168333403.

It is an arithmetic number, because the mean of its divisors is an integer number (273030000282).

Almost surely, 2^{1668516668335} is an apocalyptic number.

1668516668335 is a deficient number, since it is larger than the sum of its proper divisors (515723333921).

1668516668335 is a wasteful number, since it uses less digits than its factorization.

1668516668335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30336666713.

The product of its digits is 111974400, while the sum is 64.

The spelling of 1668516668335 in words is "one trillion, six hundred sixty-eight billion, five hundred sixteen million, six hundred sixty-eight thousand, three hundred thirty-five".