6555670765556 has 96 divisors (see below), whose sum is σ = 12975844121856. Its totient is φ = 2896091827200.

The previous prime is 6555670765543. The next prime is 6555670765559.

It is a happy number.

6555670765556 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6555670765556² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555670765559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57351596 + ... + 57465788.

It is an arithmetic number, because the mean of its divisors is an integer number (135165042936).

Almost surely, 2^{6555670765556} is an apocalyptic number.

It is an amenable number.

6555670765556 is a deficient number, since it is larger than the sum of its proper divisors (6420173356300).

6555670765556 is a wasteful number, since it uses less digits than its factorization.

6555670765556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114534 (or 114510 counting only the distinct ones).

The product of its (nonzero) digits is 992250000, while the sum is 68.

The spelling of 6555670765556 in words is "six trillion, five hundred fifty-five billion, six hundred seventy million, seven hundred sixty-five thousand, five hundred fifty-six".