6556606512 has 80 divisors (see below), whose sum is σ = 18371761632. Its totient is φ = 2006794240.

The previous prime is 6556606499. The next prime is 6556606517. The reversal of 6556606512 is 2156066556.

It is a super-2 number, since 2×6556606512² = 85978177906401612288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6556606517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64533 + ... + 131444.

Almost surely, 2^6556606512 is an apocalyptic number.

It is an amenable number.

6556606512 is an abundant number, since it is smaller than the sum of its proper divisors (11815155120).

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

6556606512 is a wasteful number, since it uses less digits than its factorization.

6556606512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196046 (or 196040 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 6556606512 is about 80972.8751619948. The cubic root of 6556606512 is about 1871.6574771449.

The spelling of 6556606512 in words is "six billion, five hundred fifty-six million, six hundred six thousand, five hundred twelve".