6655100015566 has 16 divisors (see below), whose sum is σ = 10192781433744. Its totient is φ = 3257775087424.

The previous prime is 6655100015527. The next prime is 6655100015581.

6655100015566 is nontrivially palindromic in base 10.

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 7 ways as a sum of consecutive naturals, for example, 67171015 + ... + 67270018.

It is an arithmetic number, because the mean of its divisors is an integer number (637048839609).

Almost surely, 2^{6655100015566} is an apocalyptic number.

6655100015566 is a deficient number, since it is larger than the sum of its proper divisors (3537681418178).

6655100015566 is a wasteful number, since it uses less digits than its factorization.

6655100015566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134441555.

The product of its (nonzero) digits is 810000, while the sum is 46.

It can be divided in two parts, 66551000 and 15566, that added together give a palindrome (66566566).

The spelling of 6655100015566 in words is "six trillion, six hundred fifty-five billion, one hundred million, fifteen thousand, five hundred sixty-six".