164522023450819 has 2 divisors, whose sum is σ = 164522023450820. Its totient is φ = 164522023450818.

The previous prime is 164522023450667. The next prime is 164522023450823. The reversal of 164522023450819 is 918054320225461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164522023450819 - 2¹⁷ = 164522023319747 is a prime.

It is a super-2 number, since 2×164522023450819² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164522023450319) 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 as a sum of consecutive naturals, namely, 82261011725409 + 82261011725410.

It is an arithmetic number, because the mean of its divisors is an integer number (82261011725410).

Almost surely, 2^{164522023450819} is an apocalyptic number.

164522023450819 is a deficient number, since it is larger than the sum of its proper divisors (1).

164522023450819 is an equidigital number, since it uses as much as digits as its factorization.

164522023450819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 164522023450819 in words is "one hundred sixty-four trillion, five hundred twenty-two billion, twenty-three million, four hundred fifty thousand, eight hundred nineteen".