6625656603 has 8 divisors (see below), whose sum is σ = 9815787600. Its totient is φ = 4417104384.

The previous prime is 6625656601. The next prime is 6625656607. The reversal of 6625656603 is 3066565266.

6625656603 is a `hidden beast` number, since 66 + 25 + 6 + 566 + 0 + 3 = 666.

It is not a de Polignac number, because 6625656603 - 2¹ = 6625656601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6625656601) 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, 122697318 + ... + 122697371.

It is an arithmetic number, because the mean of its divisors is an integer number (1226973450).

Almost surely, 2^6625656603 is an apocalyptic number.

6625656603 is a deficient number, since it is larger than the sum of its proper divisors (3190130997).

6625656603 is a wasteful number, since it uses less digits than its factorization.

6625656603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245394698 (or 245394692 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The square root of 6625656603 is about 81398.1363607300. The cubic root of 6625656603 is about 1878.2049225701.

The spelling of 6625656603 in words is "six billion, six hundred twenty-five million, six hundred fifty-six thousand, six hundred three".