6444168703 has 12 divisors (see below), whose sum is σ = 7497798240. Its totient is φ = 5522452992.

The previous prime is 6444168697. The next prime is 6444168737. The reversal of 6444168703 is 3078614446.

It is not a de Polignac number, because 6444168703 - 2¹⁷ = 6444037631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6444168703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444169703) 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 11 ways as a sum of consecutive naturals, for example, 309850 + ... + 329992.

It is an arithmetic number, because the mean of its divisors is an integer number (624816520).

Almost surely, 2^6444168703 is an apocalyptic number.

6444168703 is a deficient number, since it is larger than the sum of its proper divisors (1053629537).

6444168703 is a wasteful number, since it uses less digits than its factorization.

6444168703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26686 (or 26679 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 6444168703 is about 80275.5797425344. The cubic root of 6444168703 is about 1860.8968487758.

The spelling of 6444168703 in words is "six billion, four hundred forty-four million, one hundred sixty-eight thousand, seven hundred three".