163223026361 has 4 divisors (see below), whose sum is σ = 163225549824. Its totient is φ = 163220502900.

The previous prime is 163223026349. The next prime is 163223026367. The reversal of 163223026361 is 163620322361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163620322361 = 4409 ⋅37110529.

It is a cyclic number.

It is not a de Polignac number, because 163223026361 - 2³⁴ = 146043157177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163223026367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162085 + ... + 1294946.

It is an arithmetic number, because the mean of its divisors is an integer number (40806387456).

Almost surely, 2^163223026361 is an apocalyptic number.

It is an amenable number.

163223026361 is a deficient number, since it is larger than the sum of its proper divisors (2523463).

163223026361 is an equidigital number, since it uses as much as digits as its factorization.

163223026361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523462.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 163223026361 in words is "one hundred sixty-three billion, two hundred twenty-three million, twenty-six thousand, three hundred sixty-one".