6641761760 has 48 divisors (see below), whose sum is σ = 16025034816. Its totient is φ = 2600176128.

The previous prime is 6641761729. The next prime is 6641761813. The reversal of 6641761760 is 671671466.

It is a super-2 number, since 2×6641761760² = 88225998553196595200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 434087 + ... + 449126.

It is an arithmetic number, because the mean of its divisors is an integer number (333854892).

Almost surely, 2^6641761760 is an apocalyptic number.

It is an amenable number.

6641761760 is an abundant number, since it is smaller than the sum of its proper divisors (9383273056).

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

6641761760 is a wasteful number, since it uses less digits than its factorization.

6641761760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883275 (or 883267 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 6641761760 is about 81497.0046075314. The cubic root of 6641761760 is about 1879.7254918345.

The spelling of 6641761760 in words is "six billion, six hundred forty-one million, seven hundred sixty-one thousand, seven hundred sixty".