6543441156 has 48 divisors (see below), whose sum is σ = 17473145984. Its totient is φ = 1866986496.

The previous prime is 6543441139. The next prime is 6543441161. The reversal of 6543441156 is 6511443456.

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 15 ways as a sum of consecutive naturals, for example, 8436 + ... + 114708.

Almost surely, 2^6543441156 is an apocalyptic number.

It is an amenable number.

6543441156 is an abundant number, since it is smaller than the sum of its proper divisors (10929704828).

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

6543441156 is a wasteful number, since it uses less digits than its factorization.

6543441156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107020 (or 107018 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 6543441156 is about 80891.5394587098. The cubic root of 6543441156 is about 1870.4039044797.

The spelling of 6543441156 in words is "six billion, five hundred forty-three million, four hundred forty-one thousand, one hundred fifty-six".