1668350925185 has 24 divisors (see below), whose sum is σ = 2338160198976. Its totient is φ = 1139454204000.

The previous prime is 1668350925167. The next prime is 1668350925191. The reversal of 1668350925185 is 5815290538661.

It is not a de Polignac number, because 1668350925185 - 2⁴⁰ = 568839297409 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13503437 + ... + 13626426.

It is an arithmetic number, because the mean of its divisors is an integer number (97423341624).

Almost surely, 2^{1668350925185} is an apocalyptic number.

It is an amenable number.

1668350925185 is a deficient number, since it is larger than the sum of its proper divisors (669809273791).

1668350925185 is a wasteful number, since it uses less digits than its factorization.

1668350925185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27130133 (or 27130126 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 59.

The spelling of 1668350925185 in words is "one trillion, six hundred sixty-eight billion, three hundred fifty million, nine hundred twenty-five thousand, one hundred eighty-five".