1563448163 has 8 divisors (see below), whose sum is σ = 1655983440. Its totient is φ = 1470976000.

The previous prime is 1563448151. The next prime is 1563448169. The reversal of 1563448163 is 3618443651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1563448163 - 2⁶ = 1563448099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1563448163.

It is not an unprimeable number, because it can be changed into a prime (1563448169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41123 + ... + 69411.

It is an arithmetic number, because the mean of its divisors is an integer number (206997930).

Almost surely, 2^1563448163 is an apocalyptic number.

1563448163 is a deficient number, since it is larger than the sum of its proper divisors (92535277).

1563448163 is a wasteful number, since it uses less digits than its factorization.

1563448163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31557.

The product of its digits is 207360, while the sum is 41.

The square root of 1563448163 is about 39540.4623518744. The cubic root of 1563448163 is about 1160.6318800238.

The spelling of 1563448163 in words is "one billion, five hundred sixty-three million, four hundred forty-eight thousand, one hundred sixty-three".