1668503350339 has 8 divisors (see below), whose sum is σ = 1906871445248. Its totient is φ = 1430137873800.

The previous prime is 1668503350331. The next prime is 1668503350343. The reversal of 1668503350339 is 9330533058661.

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 1668503350339 - 2³ = 1668503350331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1668503350331) 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, 984544 + ... + 2075170.

It is an arithmetic number, because the mean of its divisors is an integer number (238358930656).

Almost surely, 2^{1668503350339} is an apocalyptic number.

1668503350339 is a deficient number, since it is larger than the sum of its proper divisors (238368094909).

1668503350339 is a wasteful number, since it uses less digits than its factorization.

1668503350339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309185.

The product of its (nonzero) digits is 5248800, while the sum is 52.

The spelling of 1668503350339 in words is "one trillion, six hundred sixty-eight billion, five hundred three million, three hundred fifty thousand, three hundred thirty-nine".