6624662004 has 48 divisors (see below), whose sum is σ = 17230362240. Its totient is φ = 2201109120.

The previous prime is 6624661997. The next prime is 6624662047. The reversal of 6624662004 is 4002664266.

6624662004 is a `hidden beast` number, since 6 + 6 + 24 + 6 + 620 + 0 + 4 = 666.

It is a super-3 number, since 3×6624662004³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6624662004.

It is a congruent number.

It is an unprimeable number.

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, 65029 + ... + 132204.

It is an arithmetic number, because the mean of its divisors is an integer number (358965880).

Almost surely, 2^6624662004 is an apocalyptic number.

It is an amenable number.

6624662004 is an abundant number, since it is smaller than the sum of its proper divisors (10605700236).

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

6624662004 is a wasteful number, since it uses less digits than its factorization.

6624662004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197557 (or 197549 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 6624662004 is about 81392.0266610925. The cubic root of 6624662004 is about 1878.1109367042.

The spelling of 6624662004 in words is "six billion, six hundred twenty-four million, six hundred sixty-two thousand, four".