22523735161 has 4 divisors (see below), whose sum is σ = 22524504912. Its totient is φ = 22522965412.

The previous prime is 22523735153. The next prime is 22523735189. The reversal of 22523735161 is 16153732522.

It is a happy number.

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: 16153732522 = 2 ⋅8076866261.

It is a cyclic number.

It is not a de Polignac number, because 22523735161 - 2³ = 22523735153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22523735161.

It is not an unprimeable number, because it can be changed into a prime (22523735111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339175 + ... + 400108.

It is an arithmetic number, because the mean of its divisors is an integer number (5631126228).

Almost surely, 2^22523735161 is an apocalyptic number.

It is an amenable number.

22523735161 is a deficient number, since it is larger than the sum of its proper divisors (769751).

22523735161 is an equidigital number, since it uses as much as digits as its factorization.

22523735161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769750.

The product of its digits is 75600, while the sum is 37.

The spelling of 22523735161 in words is "twenty-two billion, five hundred twenty-three million, seven hundred thirty-five thousand, one hundred sixty-one".