6538464163 has 16 divisors (see below), whose sum is σ = 8631373824. Its totient is φ = 4795205760.

The previous prime is 6538464143. The next prime is 6538464199. The reversal of 6538464163 is 3614648356.

It is a cyclic number.

It is not a de Polignac number, because 6538464163 - 2⁹ = 6538463651 is a prime.

It is a super-2 number, since 2×6538464163² = 85503027221670581138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6538464113) 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, 2496195 + ... + 2498812.

It is an arithmetic number, because the mean of its divisors is an integer number (539460864).

Almost surely, 2^6538464163 is an apocalyptic number.

6538464163 is a deficient number, since it is larger than the sum of its proper divisors (2092909661).

6538464163 is a wasteful number, since it uses less digits than its factorization.

6538464163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995042.

The product of its digits is 1244160, while the sum is 46.

The square root of 6538464163 is about 80860.7702350157. The cubic root of 6538464163 is about 1869.9295695399.

The spelling of 6538464163 in words is "six billion, five hundred thirty-eight million, four hundred sixty-four thousand, one hundred sixty-three".