163546605089 has 16 divisors (see below), whose sum is σ = 189959846400. Its totient is φ = 137908540224.

The previous prime is 163546605073. The next prime is 163546605091. The reversal of 163546605089 is 980506645361.

It is a happy number.

It is not a de Polignac number, because 163546605089 - 2⁴ = 163546605073 is a prime.

It is a super-2 number, since 2×163546605089² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 163546605089.

It is not an unprimeable number, because it can be changed into a prime (163546605289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380654 + ... + 687015.

It is an arithmetic number, because the mean of its divisors is an integer number (11872490400).

Almost surely, 2^163546605089 is an apocalyptic number.

It is an amenable number.

163546605089 is a deficient number, since it is larger than the sum of its proper divisors (26413241311).

163546605089 is a wasteful number, since it uses less digits than its factorization.

163546605089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068032.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 163546605089 in words is "one hundred sixty-three billion, five hundred forty-six million, six hundred five thousand, eighty-nine".