6641504712 has 64 divisors (see below), whose sum is σ = 18724017600. Its totient is φ = 2180787840.

The previous prime is 6641504657. The next prime is 6641504713. The reversal of 6641504712 is 2174051466.

6641504712 is a `hidden beast` number, since 6 + 641 + 5 + 0 + 4 + 7 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6641504713) 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 15 ways as a sum of consecutive naturals, for example, 214989 + ... + 243932.

It is an arithmetic number, because the mean of its divisors is an integer number (292562775).

Almost surely, 2^6641504712 is an apocalyptic number.

It is an amenable number.

6641504712 is an abundant number, since it is smaller than the sum of its proper divisors (12082512888).

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

6641504712 is a wasteful number, since it uses less digits than its factorization.

6641504712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459003 (or 458993 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 6641504712 is about 81495.4275527161. The cubic root of 6641504712 is about 1879.7012419478.

The spelling of 6641504712 in words is "six billion, six hundred forty-one million, five hundred four thousand, seven hundred twelve".