6546444556 has 12 divisors (see below), whose sum is σ = 11456875360. Its totient is φ = 3273051600.

The previous prime is 6546444523. The next prime is 6546444563. The reversal of 6546444556 is 6554446456.

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 3 ways as a sum of consecutive naturals, for example, 88285 + ... + 144523.

Almost surely, 2^6546444556 is an apocalyptic number.

It is an amenable number.

6546444556 is a deficient number, since it is larger than the sum of its proper divisors (4910430804).

6546444556 is a wasteful number, since it uses less digits than its factorization.

6546444556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85344 (or 85342 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 49.

The square root of 6546444556 is about 80910.1016931755. The cubic root of 6546444556 is about 1870.6900287424.

The spelling of 6546444556 in words is "six billion, five hundred forty-six million, four hundred forty-four thousand, five hundred fifty-six".