22641100251161 has 16 divisors (see below), whose sum is σ = 25888453291008. Its totient is φ = 19396977163200.

The previous prime is 22641100251151. The next prime is 22641100251167. The reversal of 22641100251161 is 16115200114622.

It is a happy number.

It is not a de Polignac number, because 22641100251161 - 2¹⁸ = 22641099989017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22641100251167) 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, 117220376 + ... + 117413366.

It is an arithmetic number, because the mean of its divisors is an integer number (1618028330688).

Almost surely, 2^{22641100251161} is an apocalyptic number.

It is an amenable number.

22641100251161 is a deficient number, since it is larger than the sum of its proper divisors (3247353039847).

22641100251161 is a wasteful number, since it uses less digits than its factorization.

22641100251161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201272.

The product of its (nonzero) digits is 5760, while the sum is 32.

Adding to 22641100251161 its reverse (16115200114622), we get a palindrome (38756300365783).

The spelling of 22641100251161 in words is "twenty-two trillion, six hundred forty-one billion, one hundred million, two hundred fifty-one thousand, one hundred sixty-one".