6655876785566 has 8 divisors (see below), whose sum is σ = 9985959022080. Its totient is φ = 3327223778208.

The previous prime is 6655876785451. The next prime is 6655876785619.

6655876785566 is nontrivially palindromic in base 10.

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

It is a super-3 number, since 3×6655876785566³ (a number of 39 digits) contains 333 as substring.

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, 357295646 + ... + 357314273.

It is an arithmetic number, because the mean of its divisors is an integer number (1248244877760).

Almost surely, 2^{6655876785566} is an apocalyptic number.

6655876785566 is a deficient number, since it is larger than the sum of its proper divisors (3330082236514).

6655876785566 is a wasteful number, since it uses less digits than its factorization.

6655876785566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714614578.

The product of its digits is 15240960000, while the sum is 80.

The spelling of 6655876785566 in words is "six trillion, six hundred fifty-five billion, eight hundred seventy-six million, seven hundred eighty-five thousand, five hundred sixty-six".