6656466603 has 16 divisors (see below), whose sum is σ = 9597312000. Its totient is φ = 4087741056.

The previous prime is 6656466589. The next prime is 6656466613. The reversal of 6656466603 is 3066646566.

It is not a de Polignac number, because 6656466603 - 2⁸ = 6656466347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6656466613) 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 15 ways as a sum of consecutive naturals, for example, 1386103 + ... + 1390896.

It is an arithmetic number, because the mean of its divisors is an integer number (599832000).

Almost surely, 2^6656466603 is an apocalyptic number.

6656466603 is a deficient number, since it is larger than the sum of its proper divisors (2940845397).

6656466603 is a wasteful number, since it uses less digits than its factorization.

6656466603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777066.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The square root of 6656466603 is about 81587.1718041507. The cubic root of 6656466603 is about 1881.1117050718. Note that the first 3 decimals are identical.

The spelling of 6656466603 in words is "six billion, six hundred fifty-six million, four hundred sixty-six thousand, six hundred three".