6641012560 has 80 divisors (see below), whose sum is σ = 19003533696. Its totient is φ = 2101768704.

The previous prime is 6641012513. The next prime is 6641012561. The reversal of 6641012560 is 652101466.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6641012561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448834 + ... + 463393.

Almost surely, 2^6641012560 is an apocalyptic number.

It is an amenable number.

6641012560 is an abundant number, since it is smaller than the sum of its proper divisors (12362521136).

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

6641012560 is a wasteful number, since it uses less digits than its factorization.

6641012560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912260 (or 912254 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 6641012560 is about 81492.4079899471. The cubic root of 6641012560 is about 1879.6548106235.

The spelling of 6641012560 in words is "six billion, six hundred forty-one million, twelve thousand, five hundred sixty".