161128901183 has 2 divisors, whose sum is σ = 161128901184. Its totient is φ = 161128901182.

The previous prime is 161128901147. The next prime is 161128901201. The reversal of 161128901183 is 381109821161.

It is a happy number.

161128901183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (381109821161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161128901183 - 2⁸ = 161128900927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161128901183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161128901123) 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, 80564450591 + 80564450592.

It is an arithmetic number, because the mean of its divisors is an integer number (80564450592).

Almost surely, 2^161128901183 is an apocalyptic number.

161128901183 is a deficient number, since it is larger than the sum of its proper divisors (1).

161128901183 is an equidigital number, since it uses as much as digits as its factorization.

161128901183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 161128901183 in words is "one hundred sixty-one billion, one hundred twenty-eight million, nine hundred one thousand, one hundred eighty-three".