160066121 has 2 divisors, whose sum is σ = 160066122. Its totient is φ = 160066120.

The previous prime is 160066103. The next prime is 160066129. The reversal of 160066121 is 121660061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142468096 + 17598025 = 11936^2 + 4195^2 .

It is an emirp because it is prime and its reverse (121660061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160066121 - 2⁶ = 160066057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (160066129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80033060 + 80033061.

It is an arithmetic number, because the mean of its divisors is an integer number (80033061).

Almost surely, 2^160066121 is an apocalyptic number.

It is an amenable number.

160066121 is a deficient number, since it is larger than the sum of its proper divisors (1).

160066121 is an equidigital number, since it uses as much as digits as its factorization.

160066121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 160066121 is about 12651.7240327159. The cubic root of 160066121 is about 542.9582963561.

The spelling of 160066121 in words is "one hundred sixty million, sixty-six thousand, one hundred twenty-one".