6543222662 has 4 divisors (see below), whose sum is σ = 9814833996. Its totient is φ = 3271611330.

The previous prime is 6543222649. The next prime is 6543222691. The reversal of 6543222662 is 2662223456.

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

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 as a sum of consecutive naturals, namely, 1635805664 + ... + 1635805667.

It is an arithmetic number, because the mean of its divisors is an integer number (2453708499).

Almost surely, 2^6543222662 is an apocalyptic number.

6543222662 is a deficient number, since it is larger than the sum of its proper divisors (3271611334).

6543222662 is a wasteful number, since it uses less digits than its factorization.

6543222662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271611333.

The product of its digits is 207360, while the sum is 38.

The square root of 6543222662 is about 80890.1889106460. The cubic root of 6543222662 is about 1870.3830858427.

The spelling of 6543222662 in words is "six billion, five hundred forty-three million, two hundred twenty-two thousand, six hundred sixty-two".