6655616109996 has 36 divisors (see below), whose sum is σ = 18065243728728. Its totient is φ = 1901604602688.

The previous prime is 6655616109917. The next prime is 6655616110057. The reversal of 6655616109996 is 6999016165566.

It is a super-2 number, since 2×6655616109996² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6655616109996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5659536921 + ... + 5659538096.

It is an arithmetic number, because the mean of its divisors is an integer number (501812325798).

Almost surely, 2^{6655616109996} is an apocalyptic number.

It is an amenable number.

6655616109996 is an abundant number, since it is smaller than the sum of its proper divisors (11409627618732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6655616109996 is a wasteful number, since it uses less digits than its factorization.

6655616109996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11319075038 (or 11319075029 counting only the distinct ones).

The product of its (nonzero) digits is 141717600, while the sum is 69.

The spelling of 6655616109996 in words is "six trillion, six hundred fifty-five billion, six hundred sixteen million, one hundred nine thousand, nine hundred ninety-six".