122164146589 has 2 divisors, whose sum is σ = 122164146590. Its totient is φ = 122164146588.

The previous prime is 122164146491. The next prime is 122164146673. The reversal of 122164146589 is 985641461221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106321644900 + 15842501689 = 326070^2 + 125867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122164146589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122164146089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61082073294 + 61082073295.

It is an arithmetic number, because the mean of its divisors is an integer number (61082073295).

Almost surely, 2^122164146589 is an apocalyptic number.

It is an amenable number.

122164146589 is a deficient number, since it is larger than the sum of its proper divisors (1).

122164146589 is an equidigital number, since it uses as much as digits as its factorization.

122164146589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 49.

The spelling of 122164146589 in words is "one hundred twenty-two billion, one hundred sixty-four million, one hundred forty-six thousand, five hundred eighty-nine".