164768016089 has 2 divisors, whose sum is σ = 164768016090. Its totient is φ = 164768016088.

The previous prime is 164768016071. The next prime is 164768016139. The reversal of 164768016089 is 980610867461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163317015625 + 1451000464 = 404125^2 + 38092^2 .

It is a cyclic number.

It is not a de Polignac number, because 164768016089 - 2¹⁶ = 164767950553 is a prime.

It is not a weakly prime, because it can be changed into another prime (164768016389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82384008044 + 82384008045.

It is an arithmetic number, because the mean of its divisors is an integer number (82384008045).

Almost surely, 2^164768016089 is an apocalyptic number.

It is an amenable number.

164768016089 is a deficient number, since it is larger than the sum of its proper divisors (1).

164768016089 is an equidigital number, since it uses as much as digits as its factorization.

164768016089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 164768016089 in words is "one hundred sixty-four billion, seven hundred sixty-eight million, sixteen thousand, eighty-nine".