6144399166 has 4 divisors (see below), whose sum is σ = 9216598752. Its totient is φ = 3072199582.

The previous prime is 6144399161. The next prime is 6144399187. The reversal of 6144399166 is 6619934416.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6144399166² = 75507282222282991112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6144399161) by changing a digit.

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 as a sum of consecutive naturals, namely, 1536099790 + ... + 1536099793.

It is an arithmetic number, because the mean of its divisors is an integer number (2304149688).

Almost surely, 2^6144399166 is an apocalyptic number.

6144399166 is a deficient number, since it is larger than the sum of its proper divisors (3072199586).

6144399166 is a wasteful number, since it uses less digits than its factorization.

6144399166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072199585.

The product of its digits is 839808, while the sum is 49.

The square root of 6144399166 is about 78386.2179595367. The cubic root of 6144399166 is about 1831.5824513762.

The spelling of 6144399166 in words is "six billion, one hundred forty-four million, three hundred ninety-nine thousand, one hundred sixty-six".