1668745041196 has 6 divisors (see below), whose sum is σ = 2920303822100. Its totient is φ = 834372520596.

The previous prime is 1668745041193. The next prime is 1668745041209. The reversal of 1668745041196 is 6911405478661.

It is a happy number.

It is a super-2 number, since 2×1668745041196² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1668745041196.

It is not an unprimeable number, because it can be changed into a prime (1668745041193) 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 as a sum of consecutive naturals, namely, 208593130146 + ... + 208593130153.

Almost surely, 2^{1668745041196} is an apocalyptic number.

It is an amenable number.

1668745041196 is a deficient number, since it is larger than the sum of its proper divisors (1251558780904).

1668745041196 is a wasteful number, since it uses less digits than its factorization.

1668745041196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417186260303 (or 417186260301 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 1668745041196 in words is "one trillion, six hundred sixty-eight billion, seven hundred forty-five million, forty-one thousand, one hundred ninety-six".