6679638369766 has 8 divisors (see below), whose sum is σ = 10019749761504. Its totient is φ = 3339721782600.

The previous prime is 6679638369731. The next prime is 6679638369797.

6679638369766 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6679638369766² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6679638369766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48615390 + ... + 48752593.

It is an arithmetic number, because the mean of its divisors is an integer number (1252468720188).

Almost surely, 2^{6679638369766} is an apocalyptic number.

6679638369766 is a deficient number, since it is larger than the sum of its proper divisors (3340111391738).

6679638369766 is a wasteful number, since it uses less digits than its factorization.

6679638369766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97402286.

The product of its digits is 13332791808, while the sum is 82.

The spelling of 6679638369766 in words is "six trillion, six hundred seventy-nine billion, six hundred thirty-eight million, three hundred sixty-nine thousand, seven hundred sixty-six".