6444168814 has 16 divisors (see below), whose sum is σ = 9769277952. Its totient is φ = 3187920888.

The previous prime is 6444168791. The next prime is 6444168833. The reversal of 6444168814 is 4188614446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28377 + ... + 117019.

It is an arithmetic number, because the mean of its divisors is an integer number (610579872).

Almost surely, 2^6444168814 is an apocalyptic number.

6444168814 is a deficient number, since it is larger than the sum of its proper divisors (3325109138).

6444168814 is a wasteful number, since it uses less digits than its factorization.

6444168814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89031.

The product of its digits is 589824, while the sum is 46.

The square root of 6444168814 is about 80275.5804339028. The cubic root of 6444168814 is about 1860.8968594604.

The spelling of 6444168814 in words is "six billion, four hundred forty-four million, one hundred sixty-eight thousand, eight hundred fourteen".