160030081 has 2 divisors, whose sum is σ = 160030082. Its totient is φ = 160030080.

The previous prime is 160030051. The next prime is 160030121. The reversal of 160030081 is 180030061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133610481 + 26419600 = 11559^2 + 5140^2 .

It is an emirp because it is prime and its reverse (180030061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160030081 - 2¹³ = 160021889 is a prime.

It is a super-2 number, since 2×160030081² = 51219253649733122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (160030001) 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, 80015040 + 80015041.

It is an arithmetic number, because the mean of its divisors is an integer number (80015041).

Almost surely, 2^160030081 is an apocalyptic number.

It is an amenable number.

160030081 is a deficient number, since it is larger than the sum of its proper divisors (1).

160030081 is an equidigital number, since it uses as much as digits as its factorization.

160030081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 160030081 is about 12650.2996407200. The cubic root of 160030081 is about 542.9175430189.

The spelling of 160030081 in words is "one hundred sixty million, thirty thousand, eighty-one".