6656616132 has 24 divisors (see below), whose sum is σ = 15565376736. Its totient is φ = 2214118848.

The previous prime is 6656616079. The next prime is 6656616137. The reversal of 6656616132 is 2316166566.

It is not an unprimeable number, because it can be changed into a prime (6656616137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588313 + ... + 599520.

It is an arithmetic number, because the mean of its divisors is an integer number (648557364).

Almost surely, 2^6656616132 is an apocalyptic number.

It is an amenable number.

6656616132 is an abundant number, since it is smaller than the sum of its proper divisors (8908760604).

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

6656616132 is a wasteful number, since it uses less digits than its factorization.

6656616132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188307 (or 1188305 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 6656616132 is about 81588.0881746839. The cubic root of 6656616132 is about 1881.1257905550.

The spelling of 6656616132 in words is "six billion, six hundred fifty-six million, six hundred sixteen thousand, one hundred thirty-two".