6525657163 has 4 divisors (see below), whose sum is σ = 6533704408. Its totient is φ = 6517609920.

The previous prime is 6525657161. The next prime is 6525657191. The reversal of 6525657163 is 3617565256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6525657163 - 2¹ = 6525657161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6525657161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4022406 + ... + 4024027.

It is an arithmetic number, because the mean of its divisors is an integer number (1633426102).

Almost surely, 2^6525657163 is an apocalyptic number.

6525657163 is a deficient number, since it is larger than the sum of its proper divisors (8047245).

6525657163 is an equidigital number, since it uses as much as digits as its factorization.

6525657163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8047244.

The product of its digits is 1134000, while the sum is 46.

The square root of 6525657163 is about 80781.5397414533. The cubic root of 6525657163 is about 1868.7078840216.

The spelling of 6525657163 in words is "six billion, five hundred twenty-five million, six hundred fifty-seven thousand, one hundred sixty-three".