160508989 has 2 divisors, whose sum is σ = 160508990. Its totient is φ = 160508988.

The previous prime is 160508947. The next prime is 160508993. The reversal of 160508989 is 989805061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157703364 + 2805625 = 12558^2 + 1675^2 .

It is a cyclic number.

It is not a de Polignac number, because 160508989 - 2⁷ = 160508861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160518989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80254494 + 80254495.

It is an arithmetic number, because the mean of its divisors is an integer number (80254495).

Almost surely, 2^160508989 is an apocalyptic number.

It is an amenable number.

160508989 is a deficient number, since it is larger than the sum of its proper divisors (1).

160508989 is an equidigital number, since it uses as much as digits as its factorization.

160508989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 160508989 is about 12669.2142218845. The cubic root of 160508989 is about 543.4585842535.

The spelling of 160508989 in words is "one hundred sixty million, five hundred eight thousand, nine hundred eighty-nine".