6624672216 has 32 divisors (see below), whose sum is σ = 16584318960. Its totient is φ = 2205205632.

The previous prime is 6624672199. The next prime is 6624672239. The reversal of 6624672216 is 6122764266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170695 + ... + 205878.

Almost surely, 2^6624672216 is an apocalyptic number.

It is an amenable number.

6624672216 is an abundant number, since it is smaller than the sum of its proper divisors (9959646744).

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

6624672216 is a wasteful number, since it uses less digits than its factorization.

6624672216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377315 (or 377311 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 6624672216 is about 81392.0893944860. The cubic root of 6624672216 is about 1878.1119017476. Note that the first 3 decimals are identical.

The spelling of 6624672216 in words is "six billion, six hundred twenty-four million, six hundred seventy-two thousand, two hundred sixteen".