6543325144 has 16 divisors (see below), whose sum is σ = 12476680200. Its totient is φ = 3216210432.

The previous prime is 6543325141. The next prime is 6543325163. The reversal of 6543325144 is 4415233456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543325141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6931017 + ... + 6931960.

Almost surely, 2^6543325144 is an apocalyptic number.

It is an amenable number.

6543325144 is a deficient number, since it is larger than the sum of its proper divisors (5933355056).

6543325144 is a wasteful number, since it uses less digits than its factorization.

6543325144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13863042 (or 13863038 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The square root of 6543325144 is about 80890.8223718859. The cubic root of 6543325144 is about 1870.3928506333.

The spelling of 6543325144 in words is "six billion, five hundred forty-three million, three hundred twenty-five thousand, one hundred forty-four".