6641433376 has 24 divisors (see below), whose sum is σ = 13526197020. Its totient is φ = 3206208768.

The previous prime is 6641433373. The next prime is 6641433391. The reversal of 6641433376 is 6733341466.

It can be written as a sum of positive squares in 2 ways, for example, as 6080880400 + 560552976 = 77980^2 + 23676^2 .

It is not an unprimeable number, because it can be changed into a prime (6641433373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3577431 + ... + 3579286.

Almost surely, 2^6641433376 is an apocalyptic number.

It is an amenable number.

6641433376 is an abundant number, since it is smaller than the sum of its proper divisors (6884763644).

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

6641433376 is a wasteful number, since it uses less digits than its factorization.

6641433376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156756 (or 7156748 counting only the distinct ones).

The product of its digits is 653184, while the sum is 43.

The square root of 6641433376 is about 81494.9898828143. The cubic root of 6641433376 is about 1879.6945120046.

The spelling of 6641433376 in words is "six billion, six hundred forty-one million, four hundred thirty-three thousand, three hundred seventy-six".