6660482647 has 16 divisors (see below), whose sum is σ = 8201784640. Its totient is φ = 5267089152.

The previous prime is 6660482639. The next prime is 6660482681. The reversal of 6660482647 is 7462840666.

It is a happy number.

It is not a de Polignac number, because 6660482647 - 2³ = 6660482639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6660482647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660482947) 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, 166603 + ... + 202675.

It is an arithmetic number, because the mean of its divisors is an integer number (512611540).

Almost surely, 2^6660482647 is an apocalyptic number.

6660482647 is a deficient number, since it is larger than the sum of its proper divisors (1541301993).

6660482647 is a wasteful number, since it uses less digits than its factorization.

6660482647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38122.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The square root of 6660482647 is about 81611.7800749377. The cubic root of 6660482647 is about 1881.4899392023.

The spelling of 6660482647 in words is "six billion, six hundred sixty million, four hundred eighty-two thousand, six hundred forty-seven".