6768132638 has 16 divisors (see below), whose sum is σ = 10256784720. Its totient is φ = 3349382400.

The previous prime is 6768132617. The next prime is 6768132643. The reversal of 6768132638 is 8362318676.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32078 + ... + 120686.

It is an arithmetic number, because the mean of its divisors is an integer number (641049045).

Almost surely, 2^6768132638 is an apocalyptic number.

6768132638 is a deficient number, since it is larger than the sum of its proper divisors (3488652082).

6768132638 is a wasteful number, since it uses less digits than its factorization.

6768132638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89003.

The product of its digits is 1741824, while the sum is 50.

The square root of 6768132638 is about 82268.6613358939. The cubic root of 6768132638 is about 1891.5723352764.

The spelling of 6768132638 in words is "six billion, seven hundred sixty-eight million, one hundred thirty-two thousand, six hundred thirty-eight".