163560233 has 4 divisors (see below), whose sum is σ = 163699908. Its totient is φ = 163420560.

The previous prime is 163560211. The next prime is 163560251. The reversal of 163560233 is 332065361.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 142372624 + 21187609 = 11932^2 + 4603^2 .

It is a cyclic number.

It is not a de Polignac number, because 163560233 - 2¹² = 163556137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163560196 and 163560205.

It is not an unprimeable number, because it can be changed into a prime (163560263) 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, 68066 + ... + 70427.

It is an arithmetic number, because the mean of its divisors is an integer number (40924977).

Almost surely, 2^163560233 is an apocalyptic number.

It is an amenable number.

163560233 is a deficient number, since it is larger than the sum of its proper divisors (139675).

163560233 is a wasteful number, since it uses less digits than its factorization.

163560233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139674.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 163560233 is about 12789.0669323450. The cubic root of 163560233 is about 546.8806705175.

The spelling of 163560233 in words is "one hundred sixty-three million, five hundred sixty thousand, two hundred thirty-three".