22143026552165 has 8 divisors (see below), whose sum is σ = 26572660053120. Its totient is φ = 17713735781392.

The previous prime is 22143026552161. The next prime is 22143026552183. The reversal of 22143026552165 is 56125562034122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22143026552165 - 2² = 22143026552161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143026552161) 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 7 ways as a sum of consecutive naturals, for example, 85540385 + ... + 85798854.

It is an arithmetic number, because the mean of its divisors is an integer number (3321582506640).

Almost surely, 2^{22143026552165} is an apocalyptic number.

It is an amenable number.

22143026552165 is a deficient number, since it is larger than the sum of its proper divisors (4429633500955).

22143026552165 is a wasteful number, since it uses less digits than its factorization.

22143026552165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171365091.

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 22143026552165 its reverse (56125562034122), we get a palindrome (78268588586287).

The spelling of 22143026552165 in words is "twenty-two trillion, one hundred forty-three billion, twenty-six million, five hundred fifty-two thousand, one hundred sixty-five".