163104531526563 has 32 divisors (see below), whose sum is σ = 243899316614400. Its totient is φ = 96083106629760.

The previous prime is 163104531526561. The next prime is 163104531526589. The reversal of 163104531526563 is 365625135401361.

It is not a de Polignac number, because 163104531526563 - 2¹ = 163104531526561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163104531526561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65775013 + ... + 68209686.

It is an arithmetic number, because the mean of its divisors is an integer number (7621853644200).

Almost surely, 2^{163104531526563} is an apocalyptic number.

163104531526563 is a deficient number, since it is larger than the sum of its proper divisors (80794785087837).

163104531526563 is a wasteful number, since it uses less digits than its factorization.

163104531526563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133985747.

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 163104531526563 in words is "one hundred sixty-three trillion, one hundred four billion, five hundred thirty-one million, five hundred twenty-six thousand, five hundred sixty-three".