1563445164163 has 8 divisors (see below), whose sum is σ = 1614447838080. Its totient is φ = 1512478050240.

The previous prime is 1563445164107. The next prime is 1563445164187. The reversal of 1563445164163 is 3614615443651.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1563445164163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1563445164103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8800618 + ... + 8976511.

It is an arithmetic number, because the mean of its divisors is an integer number (201805979760).

Almost surely, 2^{1563445164163} is an apocalyptic number.

1563445164163 is a deficient number, since it is larger than the sum of its proper divisors (51002673917).

1563445164163 is a wasteful number, since it uses less digits than its factorization.

1563445164163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17779997.

The product of its digits is 3110400, while the sum is 49.

The spelling of 1563445164163 in words is "one trillion, five hundred sixty-three billion, four hundred forty-five million, one hundred sixty-four thousand, one hundred sixty-three".