160552181 has 2 divisors, whose sum is σ = 160552182. Its totient is φ = 160552180.

The previous prime is 160552163. The next prime is 160552201. The reversal of 160552181 is 181255061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159012100 + 1540081 = 12610^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 160552181 - 2¹⁸ = 160290037 is a prime.

It is a super-2 number, since 2×160552181² = 51554005647713522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160552111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80276090 + 80276091.

It is an arithmetic number, because the mean of its divisors is an integer number (80276091).

Almost surely, 2^160552181 is an apocalyptic number.

It is an amenable number.

160552181 is a deficient number, since it is larger than the sum of its proper divisors (1).

160552181 is an equidigital number, since it uses as much as digits as its factorization.

160552181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 160552181 is about 12670.9187117588. The cubic root of 160552181 is about 543.5073270230.

The spelling of 160552181 in words is "one hundred sixty million, five hundred fifty-two thousand, one hundred eighty-one".