6999376643676 has 96 divisors (see below), whose sum is σ = 19144157760000. Its totient is φ = 2205406393344.

The previous prime is 6999376643641. The next prime is 6999376643683. The reversal of 6999376643676 is 6763466739996.

6999376643676 is a `hidden beast` number, since 6 + 9 + 99 + 37 + 66 + 436 + 7 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6999376643595 and 6999376643604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2877096 + ... + 4719791.

It is an arithmetic number, because the mean of its divisors is an integer number (199418310000).

Almost surely, 2^{6999376643676} is an apocalyptic number.

It is an amenable number.

6999376643676 is an abundant number, since it is smaller than the sum of its proper divisors (12144781116324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6999376643676 is a wasteful number, since it uses less digits than its factorization.

6999376643676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597368 (or 7597360 counting only the distinct ones).

The product of its digits is 9999593856, while the sum is 81.

The spelling of 6999376643676 in words is "six trillion, nine hundred ninety-nine billion, three hundred seventy-six million, six hundred forty-three thousand, six hundred seventy-six".