6636876347672 has 8 divisors (see below), whose sum is σ = 12444143151900. Its totient is φ = 3318438173832.

The previous prime is 6636876347657. The next prime is 6636876347713. The reversal of 6636876347672 is 2767436786366.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6636876347596 and 6636876347605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414804771722 + ... + 414804771737.

Almost surely, 2^{6636876347672} is an apocalyptic number.

It is an amenable number.

6636876347672 is a deficient number, since it is larger than the sum of its proper divisors (5807266804228).

6636876347672 is a wasteful number, since it uses less digits than its factorization.

6636876347672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829609543465 (or 829609543461 counting only the distinct ones).

The product of its digits is 1536288768, while the sum is 71.

The spelling of 6636876347672 in words is "six trillion, six hundred thirty-six billion, eight hundred seventy-six million, three hundred forty-seven thousand, six hundred seventy-two".