1668348339 has 16 divisors (see below), whose sum is σ = 2544486912. Its totient is φ = 952501248.

The previous prime is 1668348323. The next prime is 1668348347. The reversal of 1668348339 is 9338438661.

It is not a de Polignac number, because 1668348339 - 2⁴ = 1668348323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1668348291 and 1668348300.

It is not an unprimeable number, because it can be changed into a prime (1668344339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10239 + ... + 58664.

It is an arithmetic number, because the mean of its divisors is an integer number (159030432).

Almost surely, 2^1668348339 is an apocalyptic number.

1668348339 is a deficient number, since it is larger than the sum of its proper divisors (876138573).

1668348339 is a wasteful number, since it uses less digits than its factorization.

1668348339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70066.

The product of its digits is 2239488, while the sum is 51.

The square root of 1668348339 is about 40845.4200492540. The cubic root of 1668348339 is about 1186.0297360564.

The spelling of 1668348339 in words is "one billion, six hundred sixty-eight million, three hundred forty-eight thousand, three hundred thirty-nine".