1666420014313 has 8 divisors (see below), whose sum is σ = 1713865468896. Its totient is φ = 1619298420000.

The previous prime is 1666420014293. The next prime is 1666420014319. The reversal of 1666420014313 is 3134100246661.

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

It is a cyclic number.

It is not a de Polignac number, because 1666420014313 - 2⁹ = 1666420013801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1666420014319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80954631 + ... + 80975212.

It is an arithmetic number, because the mean of its divisors is an integer number (214233183612).

Almost surely, 2^{1666420014313} is an apocalyptic number.

It is an amenable number.

1666420014313 is a deficient number, since it is larger than the sum of its proper divisors (47445454583).

1666420014313 is a wasteful number, since it uses less digits than its factorization.

1666420014313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161930135.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 1666420014313 in words is "one trillion, six hundred sixty-six billion, four hundred twenty million, fourteen thousand, three hundred thirteen".