6491480163 has 24 divisors (see below), whose sum is σ = 10077640128. Its totient is φ = 3706019856.

The previous prime is 6491480129. The next prime is 6491480189. The reversal of 6491480163 is 3610841946.

6491480163 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6491480163 - 2²⁵ = 6457925731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6491480063) 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 23 ways as a sum of consecutive naturals, for example, 145420 + ... + 184742.

It is an arithmetic number, because the mean of its divisors is an integer number (419901672).

Almost surely, 2^6491480163 is an apocalyptic number.

6491480163 is a deficient number, since it is larger than the sum of its proper divisors (3586159965).

6491480163 is a wasteful number, since it uses less digits than its factorization.

6491480163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40463 (or 40456 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 6491480163 is about 80569.7223713722. The cubic root of 6491480163 is about 1865.4398273614.

The spelling of 6491480163 in words is "six billion, four hundred ninety-one million, four hundred eighty thousand, one hundred sixty-three".