6556116155212 has 24 divisors (see below), whose sum is σ = 12355827671600. Its totient is φ = 3025882547136.

The previous prime is 6556116155119. The next prime is 6556116155221. The reversal of 6556116155212 is 2125516116556.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15808114 + ... + 16217542.

Almost surely, 2^{6556116155212} is an apocalyptic number.

It is an amenable number.

6556116155212 is a deficient number, since it is larger than the sum of its proper divisors (5799711516388).

6556116155212 is a wasteful number, since it uses less digits than its factorization.

6556116155212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717385 (or 717383 counting only the distinct ones).

The product of its digits is 540000, while the sum is 46.

The spelling of 6556116155212 in words is "six trillion, five hundred fifty-six billion, one hundred sixteen million, one hundred fifty-five thousand, two hundred twelve".