641048216 has 16 divisors (see below), whose sum is σ = 1222338600. Its totient is φ = 315091264.

The previous prime is 641048183. The next prime is 641048267. The reversal of 641048216 is 612840146.

641048216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678605 + ... + 679548.

Almost surely, 2^641048216 is an apocalyptic number.

It is an amenable number.

641048216 is a deficient number, since it is larger than the sum of its proper divisors (581290384).

641048216 is a wasteful number, since it uses less digits than its factorization.

641048216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358218 (or 1358214 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 641048216 is about 25318.9299931889. The cubic root of 641048216 is about 862.2441012455.

The spelling of 641048216 in words is "six hundred forty-one million, forty-eight thousand, two hundred sixteen".