1668683370017 has 8 divisors (see below), whose sum is σ = 1769066241792. Its totient is φ = 1571210146800.

The previous prime is 1668683369999. The next prime is 1668683370037. The reversal of 1668683370017 is 7100733868661.

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 1668683370017 - 2⁶ = 1668683369953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1668683370037) 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, 727410959 + ... + 727413252.

It is an arithmetic number, because the mean of its divisors is an integer number (221133280224).

Almost surely, 2^{1668683370017} is an apocalyptic number.

It is an amenable number.

1668683370017 is a deficient number, since it is larger than the sum of its proper divisors (100382871775).

1668683370017 is a wasteful number, since it uses less digits than its factorization.

1668683370017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454824279.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 1668683370017 in words is "one trillion, six hundred sixty-eight billion, six hundred eighty-three million, three hundred seventy thousand, seventeen".