6606604004 has 48 divisors (see below), whose sum is σ = 15523218816. Its totient is φ = 2376000000.

The previous prime is 6606603953. The next prime is 6606604007. The reversal of 6606604004 is 4004066066.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 820997 + ... + 829004.

It is an arithmetic number, because the mean of its divisors is an integer number (323400392).

Almost surely, 2^6606604004 is an apocalyptic number.

It is an amenable number.

6606604004 is an abundant number, since it is smaller than the sum of its proper divisors (8916614812).

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

6606604004 is a wasteful number, since it uses less digits than its factorization.

6606604004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650036 (or 1650034 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6606604004 is about 81281.0187190097. The cubic root of 6606604004 is about 1876.4028852858.

The spelling of 6606604004 in words is "six billion, six hundred six million, six hundred four thousand, four".