6646200437228 has 48 divisors (see below), whose sum is σ = 13716973939200. Its totient is φ = 2784648818880.

The previous prime is 6646200437161. The next prime is 6646200437251. The reversal of 6646200437228 is 8227340026466.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107401508 + ... + 107463371.

It is an arithmetic number, because the mean of its divisors is an integer number (285770290400).

Almost surely, 2^{6646200437228} is an apocalyptic number.

It is an amenable number.

6646200437228 is an abundant number, since it is smaller than the sum of its proper divisors (7070773501972).

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

6646200437228 is a wasteful number, since it uses less digits than its factorization.

6646200437228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214864950 (or 214864948 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 50.

The spelling of 6646200437228 in words is "six trillion, six hundred forty-six billion, two hundred million, four hundred thirty-seven thousand, two hundred twenty-eight".