22168406311927 has 2 divisors, whose sum is σ = 22168406311928. Its totient is φ = 22168406311926.

The previous prime is 22168406311921. The next prime is 22168406311949. The reversal of 22168406311927 is 72911360486122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22168406311927 - 2¹¹ = 22168406309879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22168406311921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11084203155963 + 11084203155964.

It is an arithmetic number, because the mean of its divisors is an integer number (11084203155964).

Almost surely, 2^{22168406311927} is an apocalyptic number.

22168406311927 is a deficient number, since it is larger than the sum of its proper divisors (1).

22168406311927 is an equidigital number, since it uses as much as digits as its factorization.

22168406311927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 22168406311927 in words is "twenty-two trillion, one hundred sixty-eight billion, four hundred six million, three hundred eleven thousand, nine hundred twenty-seven".