80394161 has 2 divisors, whose sum is σ = 80394162. Its totient is φ = 80394160.

The previous prime is 80394121. The next prime is 80394169. The reversal of 80394161 is 16149308.

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., 71656225 + 8737936 = 8465^2 + 2956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80394161 is a prime.

It is a super-2 number, since 2×80394161² = 12926442245787842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80394169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40197080 + 40197081.

It is an arithmetic number, because the mean of its divisors is an integer number (40197081).

Almost surely, 2^80394161 is an apocalyptic number.

It is an amenable number.

80394161 is a deficient number, since it is larger than the sum of its proper divisors (1).

80394161 is an equidigital number, since it uses as much as digits as its factorization.

80394161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 80394161 is about 8966.2791056268. The cubic root of 80394161 is about 431.5934407343.

The spelling of 80394161 in words is "eighty million, three hundred ninety-four thousand, one hundred sixty-one".