6641475336 has 32 divisors (see below), whose sum is σ = 18448543200. Its totient is φ = 2213825040.

The previous prime is 6641475307. The next prime is 6641475343. The reversal of 6641475336 is 6335741466.

It is a junction number, because it is equal to n+sod(n) for n = 6641475291 and 6641475300.

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, 15373570 + ... + 15374001.

It is an arithmetic number, because the mean of its divisors is an integer number (576516975).

Almost surely, 2^6641475336 is an apocalyptic number.

It is an amenable number.

6641475336 is an abundant number, since it is smaller than the sum of its proper divisors (11807067864).

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

6641475336 is a wasteful number, since it uses less digits than its factorization.

6641475336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30747586 (or 30747576 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 6641475336 is about 81495.2473215463. The cubic root of 6641475336 is about 1879.6984705786.

The spelling of 6641475336 in words is "six billion, six hundred forty-one million, four hundred seventy-five thousand, three hundred thirty-six".