6601186560 has 72 divisors (see below), whose sum is σ = 21082551840. Its totient is φ = 1760315392.

The previous prime is 6601186541. The next prime is 6601186561. The reversal of 6601186560 is 656811066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601186561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855690 + ... + 863369.

It is an arithmetic number, because the mean of its divisors is an integer number (292813220).

Almost surely, 2^6601186560 is an apocalyptic number.

6601186560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6601186560 is an abundant number, since it is smaller than the sum of its proper divisors (14481365280).

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

6601186560 is a wasteful number, since it uses less digits than its factorization.

6601186560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719083 (or 1719069 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 6601186560 is about 81247.6864901395. The cubic root of 6601186560 is about 1875.8898588583.

The spelling of 6601186560 in words is "six billion, six hundred one million, one hundred eighty-six thousand, five hundred sixty".