9811745163 has 36 divisors (see below), whose sum is σ = 15986722360. Its totient is φ = 5943080880.

The previous prime is 9811745159. The next prime is 9811745243. The reversal of 9811745163 is 3615471189.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 9811745163 - 2² = 9811745159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9811745113) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5660845 + ... + 5662577.

Almost surely, 2^9811745163 is an apocalyptic number.

9811745163 is a deficient number, since it is larger than the sum of its proper divisors (6174977197).

9811745163 is an equidigital number, since it uses as much as digits as its factorization.

9811745163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497 (or 1747 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 9811745163 is about 99054.2536340565. The cubic root of 9811745163 is about 2140.8295298498.

The spelling of 9811745163 in words is "nine billion, eight hundred eleven million, seven hundred forty-five thousand, one hundred sixty-three".