162081830104589 has 2 divisors, whose sum is σ = 162081830104590. Its totient is φ = 162081830104588.

The previous prime is 162081830104583. The next prime is 162081830104609. The reversal of 162081830104589 is 985401038180261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134850736875625 + 27231093228964 = 11612525^2 + 5218342^2 .

It is an emirp because it is prime and its reverse (985401038180261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162081830104589 - 2³² = 162077535137293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162081830104583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81040915052294 + 81040915052295.

It is an arithmetic number, because the mean of its divisors is an integer number (81040915052295).

Almost surely, 2^{162081830104589} is an apocalyptic number.

It is an amenable number.

162081830104589 is a deficient number, since it is larger than the sum of its proper divisors (1).

162081830104589 is an equidigital number, since it uses as much as digits as its factorization.

162081830104589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 56.

The spelling of 162081830104589 in words is "one hundred sixty-two trillion, eighty-one billion, eight hundred thirty million, one hundred four thousand, five hundred eighty-nine".