6655546455566 has 8 divisors (see below), whose sum is σ = 10508757561480. Its totient is φ = 3152627268408.

The previous prime is 6655546455541. The next prime is 6655546455601.

It is a happy number.

6655546455566 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 2×6655546455566² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6655546455496 and 6655546455505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87572979641 + ... + 87572979716.

It is an arithmetic number, because the mean of its divisors is an integer number (1313594695185).

Almost surely, 2^{6655546455566} is an apocalyptic number.

6655546455566 is a deficient number, since it is larger than the sum of its proper divisors (3853211105914).

6655546455566 is a wasteful number, since it uses less digits than its factorization.

6655546455566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175145959378.

The product of its digits is 1944000000, while the sum is 68.

The spelling of 6655546455566 in words is "six trillion, six hundred fifty-five billion, five hundred forty-six million, four hundred fifty-five thousand, five hundred sixty-six".