6606604003 has 12 divisors (see below), whose sum is σ = 6778571464. Its totient is φ = 6438902400.

The previous prime is 6606603953. The next prime is 6606604007. The reversal of 6606604003 is 3004066066.

It is a de Polignac number, because none of the positive numbers 2^k-6606604003 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6606604007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2895223 + ... + 2897503.

Almost surely, 2^6606604003 is an apocalyptic number.

6606604003 is a deficient number, since it is larger than the sum of its proper divisors (171967461).

6606604003 is a wasteful number, since it uses less digits than its factorization.

6606604003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086 (or 4045 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 6606604003 is about 81281.0187128582. The cubic root of 6606604003 is about 1876.4028851912.

The spelling of 6606604003 in words is "six billion, six hundred six million, six hundred four thousand, three".