380330161 has 2 divisors, whose sum is σ = 380330162. Its totient is φ = 380330160.

The previous prime is 380330131. The next prime is 380330177. The reversal of 380330161 is 161033083.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222576561 + 157753600 = 14919^2 + 12560^2 .

It is an emirp because it is prime and its reverse (161033083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380330161 - 2⁵ = 380330129 is a prime.

It is not a weakly prime, because it can be changed into another prime (380330131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190165080 + 190165081.

It is an arithmetic number, because the mean of its divisors is an integer number (190165081).

Almost surely, 2^380330161 is an apocalyptic number.

It is an amenable number.

380330161 is a deficient number, since it is larger than the sum of its proper divisors (1).

380330161 is an equidigital number, since it uses as much as digits as its factorization.

380330161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 380330161 is about 19502.0553019419. The cubic root of 380330161 is about 724.5253562320.

The spelling of 380330161 in words is "three hundred eighty million, three hundred thirty thousand, one hundred sixty-one".