6567676568 has 16 divisors (see below), whose sum is σ = 12523113000. Its totient is φ = 3228179776.

The previous prime is 6567676567. The next prime is 6567676571. The reversal of 6567676568 is 8656767656.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6567676568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6567676567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6956813 + ... + 6957756.

Almost surely, 2^6567676568 is an apocalyptic number.

It is an amenable number.

6567676568 is a deficient number, since it is larger than the sum of its proper divisors (5955436432).

6567676568 is a wasteful number, since it uses less digits than its factorization.

6567676568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13914634 (or 13914630 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 62.

The square root of 6567676568 is about 81041.2029032146. The cubic root of 6567676568 is about 1872.7102424356.

The spelling of 6567676568 in words is "six billion, five hundred sixty-seven million, six hundred seventy-six thousand, five hundred sixty-eight".