6641019056 has 40 divisors (see below), whose sum is σ = 14748832800. Its totient is φ = 2837689344.

The previous prime is 6641019041. The next prime is 6641019059. The reversal of 6641019056 is 6509101466.

It is a super-2 number, since 2×6641019056² = 88206268204310262272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6641019059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50231 + ... + 125718.

It is an arithmetic number, because the mean of its divisors is an integer number (368720820).

Almost surely, 2^6641019056 is an apocalyptic number.

It is an amenable number.

6641019056 is an abundant number, since it is smaller than the sum of its proper divisors (8107813744).

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

6641019056 is a wasteful number, since it uses less digits than its factorization.

6641019056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176301 (or 176295 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 6641019056 is about 81492.4478464109. The cubic root of 6641019056 is about 1879.6554234936.

The spelling of 6641019056 in words is "six billion, six hundred forty-one million, nineteen thousand, fifty-six".