163560111353 has 4 divisors (see below), whose sum is σ = 163775039988. Its totient is φ = 163345182720.

The previous prime is 163560111349. The next prime is 163560111373. The reversal of 163560111353 is 353111065361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353111065361 = 85889 ⋅4111249.

It can be written as a sum of positive squares in 2 ways, for example, as 32930635024 + 130629476329 = 181468^2 + 361427^2 .

It is a cyclic number.

It is not a de Polignac number, because 163560111353 - 2² = 163560111349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163560111373) 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, 107463176 + ... + 107464697.

It is an arithmetic number, because the mean of its divisors is an integer number (40943759997).

Almost surely, 2^163560111353 is an apocalyptic number.

It is an amenable number.

163560111353 is a deficient number, since it is larger than the sum of its proper divisors (214928635).

163560111353 is an equidigital number, since it uses as much as digits as its factorization.

163560111353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214928634.

The product of its (nonzero) digits is 24300, while the sum is 35.

The spelling of 163560111353 in words is "one hundred sixty-three billion, five hundred sixty million, one hundred eleven thousand, three hundred fifty-three".