6675543866765 has 8 divisors (see below), whose sum is σ = 8010681963768. Its totient is φ = 5340415544320.

The previous prime is 6675543866753. The next prime is 6675543866851. The reversal of 6675543866765 is 5676683455766.

It can be written as a sum of positive squares in 4 ways, for example, as 54092991241 + 6621450875524 = 232579^2 + 2573218^2 .

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

It is not a de Polignac number, because 6675543866765 - 2⁴ = 6675543866749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6675543866692 and 6675543866701.

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, 846212 + ... + 3750621.

It is an arithmetic number, because the mean of its divisors is an integer number (1001335245471).

Almost surely, 2^{6675543866765} is an apocalyptic number.

It is an amenable number.

6675543866765 is a deficient number, since it is larger than the sum of its proper divisors (1335138097003).

6675543866765 is a wasteful number, since it uses less digits than its factorization.

6675543866765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887279.

The product of its digits is 4572288000, while the sum is 74.

The spelling of 6675543866765 in words is "six trillion, six hundred seventy-five billion, five hundred forty-three million, eight hundred sixty-six thousand, seven hundred sixty-five".