80161441 has 2 divisors, whose sum is σ = 80161442. Its totient is φ = 80161440.

The previous prime is 80161429. The next prime is 80161447. The reversal of 80161441 is 14416108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65691025 + 14470416 = 8105^2 + 3804^2 .

It is a cyclic number.

It is not a de Polignac number, because 80161441 - 2⁹ = 80160929 is a prime.

It is not a weakly prime, because it can be changed into another prime (80161447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40080720 + 40080721.

It is an arithmetic number, because the mean of its divisors is an integer number (40080721).

Almost surely, 2^80161441 is an apocalyptic number.

It is an amenable number.

80161441 is a deficient number, since it is larger than the sum of its proper divisors (1).

80161441 is an equidigital number, since it uses as much as digits as its factorization.

80161441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 80161441 is about 8953.2921877933. The cubic root of 80161441 is about 431.1765883300.

Adding to 80161441 its reverse (14416108), we get a palindrome (94577549).

The spelling of 80161441 in words is "eighty million, one hundred sixty-one thousand, four hundred forty-one".