6505617782163 has 8 divisors (see below), whose sum is σ = 8885721848976. Its totient is φ = 4231296118400.

The previous prime is 6505617782161. The next prime is 6505617782171. The reversal of 6505617782163 is 3612877165056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6505617782163 - 2¹ = 6505617782161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6505617782161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26445600618 + ... + 26445600863.

It is an arithmetic number, because the mean of its divisors is an integer number (1110715231122).

Almost surely, 2^{6505617782163} is an apocalyptic number.

6505617782163 is a deficient number, since it is larger than the sum of its proper divisors (2380104066813).

6505617782163 is a wasteful number, since it uses less digits than its factorization.

6505617782163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52891201525.

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 6505617782163 in words is "six trillion, five hundred five billion, six hundred seventeen million, seven hundred eighty-two thousand, one hundred sixty-three".