6656531163 has 8 divisors (see below), whose sum is σ = 8906960976. Its totient is φ = 4421894400.

The previous prime is 6656531143. The next prime is 6656531171. The reversal of 6656531163 is 3611356566.

6656531163 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6656531163 - 2⁹ = 6656530651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6656531143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3947278 + ... + 3948963.

It is an arithmetic number, because the mean of its divisors is an integer number (1113370122).

Almost surely, 2^6656531163 is an apocalyptic number.

6656531163 is a deficient number, since it is larger than the sum of its proper divisors (2250429813).

6656531163 is a wasteful number, since it uses less digits than its factorization.

6656531163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7896525.

The product of its digits is 291600, while the sum is 42.

The square root of 6656531163 is about 81587.5674536262. The cubic root of 6656531163 is about 1881.1177865855.

The spelling of 6656531163 in words is "six billion, six hundred fifty-six million, five hundred thirty-one thousand, one hundred sixty-three".