163375464573361 has 12 divisors (see below), whose sum is σ = 172664020533312. Its totient is φ = 154294054464264.

The previous prime is 163375464573353. The next prime is 163375464573403.

It is a happy number.

163375464573361 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 163375464573361 - 2³ = 163375464573353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163375464573293 and 163375464573302.

It is not an unprimeable number, because it can be changed into a prime (163375464573301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568938421 + ... + 569225506.

It is an arithmetic number, because the mean of its divisors is an integer number (14388668377776).

Almost surely, 2^{163375464573361} is an apocalyptic number.

It is an amenable number.

163375464573361 is a deficient number, since it is larger than the sum of its proper divisors (9288555959951).

163375464573361 is an equidigital number, since it uses as much as digits as its factorization.

163375464573361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138164108 (or 1138164029 counting only the distinct ones).

The product of its digits is 342921600, while the sum is 64.

The spelling of 163375464573361 in words is "one hundred sixty-three trillion, three hundred seventy-five billion, four hundred sixty-four million, five hundred seventy-three thousand, three hundred sixty-one".