163506050913 has 16 divisors (see below), whose sum is σ = 232387020800. Its totient is φ = 101959799760.

The previous prime is 163506050863. The next prime is 163506050921. The reversal of 163506050913 is 319050605361.

It is not a de Polignac number, because 163506050913 - 2⁸ = 163506050657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163506050933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18150733 + ... + 18159738.

It is an arithmetic number, because the mean of its divisors is an integer number (14524188800).

Almost surely, 2^163506050913 is an apocalyptic number.

It is an amenable number.

163506050913 is a deficient number, since it is larger than the sum of its proper divisors (68880969887).

163506050913 is a wasteful number, since it uses less digits than its factorization.

163506050913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36310572.

The product of its (nonzero) digits is 72900, while the sum is 39.

The spelling of 163506050913 in words is "one hundred sixty-three billion, five hundred six million, fifty thousand, nine hundred thirteen".