161090592799 has 2 divisors, whose sum is σ = 161090592800. Its totient is φ = 161090592798.

The previous prime is 161090592797. The next prime is 161090592821. The reversal of 161090592799 is 997295090161.

It is a happy number.

161090592799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (997295090161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161090592799 - 2¹ = 161090592797 is a prime.

Together with 161090592797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161090592797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80545296399 + 80545296400.

It is an arithmetic number, because the mean of its divisors is an integer number (80545296400).

Almost surely, 2^161090592799 is an apocalyptic number.

161090592799 is a deficient number, since it is larger than the sum of its proper divisors (1).

161090592799 is an equidigital number, since it uses as much as digits as its factorization.

161090592799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2755620, while the sum is 58.

The spelling of 161090592799 in words is "one hundred sixty-one billion, ninety million, five hundred ninety-two thousand, seven hundred ninety-nine".