6546140544 has 64 divisors (see below), whose sum is σ = 17949127680. Its totient is φ = 2111654400.

The previous prime is 6546140539. The next prime is 6546140551. The reversal of 6546140544 is 4450416456.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263052 + ... + 286859.

It is an arithmetic number, because the mean of its divisors is an integer number (280455120).

Almost surely, 2^6546140544 is an apocalyptic number.

6546140544 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6546140544 is an abundant number, since it is smaller than the sum of its proper divisors (11402987136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6546140544 is a wasteful number, since it uses less digits than its factorization.

6546140544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549959 (or 549947 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 6546140544 is about 80908.2229689912. Note that the first 3 decimals coincide. The cubic root of 6546140544 is about 1870.6610704778.

The spelling of 6546140544 in words is "six billion, five hundred forty-six million, one hundred forty thousand, five hundred forty-four".