22563112161 has 16 divisors (see below), whose sum is σ = 31958062400. Its totient is φ = 14119645248.

The previous prime is 22563112097. The next prime is 22563112189. The reversal of 22563112161 is 16121136522.

It is not a de Polignac number, because 22563112161 - 2⁶ = 22563112097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22563112361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1809586 + ... + 1822011.

It is an arithmetic number, because the mean of its divisors is an integer number (1997378900).

Almost surely, 2^22563112161 is an apocalyptic number.

It is an amenable number.

22563112161 is a deficient number, since it is larger than the sum of its proper divisors (9394950239).

22563112161 is a wasteful number, since it uses less digits than its factorization.

22563112161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631728.

The product of its digits is 4320, while the sum is 30.

Adding to 22563112161 its reverse (16121136522), we get a palindrome (38684248683).

The spelling of 22563112161 in words is "twenty-two billion, five hundred sixty-three million, one hundred twelve thousand, one hundred sixty-one".