1668942530246 has 32 divisors (see below), whose sum is σ = 2514935908800. Its totient is φ = 830643148800.

The previous prime is 1668942530237. The next prime is 1668942530249. The reversal of 1668942530246 is 6420352498661.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1668942530191 and 1668942530200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668942530249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818509295 + ... + 818511333.

It is an arithmetic number, because the mean of its divisors is an integer number (78591747150).

Almost surely, 2^{1668942530246} is an apocalyptic number.

1668942530246 is a deficient number, since it is larger than the sum of its proper divisors (845993378554).

1668942530246 is a wasteful number, since it uses less digits than its factorization.

1668942530246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4304.

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 1668942530246 in words is "one trillion, six hundred sixty-eight billion, nine hundred forty-two million, five hundred thirty thousand, two hundred forty-six".