163348545571 has 16 divisors (see below), whose sum is σ = 171079147008. Its totient is φ = 155670768000.

The previous prime is 163348545523. The next prime is 163348545589. The reversal of 163348545571 is 175545843361.

It is a cyclic number.

It is not a de Polignac number, because 163348545571 - 2²⁹ = 162811674659 is a prime.

It is a super-2 number, since 2×163348545571² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163348515571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26553346 + ... + 26559496.

It is an arithmetic number, because the mean of its divisors is an integer number (10692446688).

Almost surely, 2^163348545571 is an apocalyptic number.

163348545571 is a deficient number, since it is larger than the sum of its proper divisors (7730601437).

163348545571 is a wasteful number, since it uses less digits than its factorization.

163348545571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242.

The product of its digits is 6048000, while the sum is 52.

The spelling of 163348545571 in words is "one hundred sixty-three billion, three hundred forty-eight million, five hundred forty-five thousand, five hundred seventy-one".