2162421005167 has 2 divisors, whose sum is σ = 2162421005168. Its totient is φ = 2162421005166.

The previous prime is 2162421005137. The next prime is 2162421005191. The reversal of 2162421005167 is 7615001242612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2162421005167 - 2¹⁹ = 2162420480879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162421005117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081210502583 + 1081210502584.

It is an arithmetic number, because the mean of its divisors is an integer number (1081210502584).

Almost surely, 2^{2162421005167} is an apocalyptic number.

2162421005167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162421005167 is an equidigital number, since it uses as much as digits as its factorization.

2162421005167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

Adding to 2162421005167 its reverse (7615001242612), we get a palindrome (9777422247779).

The spelling of 2162421005167 in words is "two trillion, one hundred sixty-two billion, four hundred twenty-one million, five thousand, one hundred sixty-seven".