163560425 has 24 divisors (see below), whose sum is σ = 232425600. Its totient is φ = 111847680.

The previous prime is 163560413. The next prime is 163560431. The reversal of 163560425 is 524065361.

It is not a de Polignac number, because 163560425 - 2⁴ = 163560409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163560391 and 163560400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75761 + ... + 77889.

It is an arithmetic number, because the mean of its divisors is an integer number (9684400).

Almost surely, 2^163560425 is an apocalyptic number.

It is an amenable number.

163560425 is a deficient number, since it is larger than the sum of its proper divisors (68865175).

163560425 is a wasteful number, since it uses less digits than its factorization.

163560425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 163560425 is about 12789.0744387544. The cubic root of 163560425 is about 546.8808845081.

The spelling of 163560425 in words is "one hundred sixty-three million, five hundred sixty thousand, four hundred twenty-five".