80016451 has 2 divisors, whose sum is σ = 80016452. Its totient is φ = 80016450.

The previous prime is 80016437. The next prime is 80016457. The reversal of 80016451 is 15461008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80016451 - 2⁹ = 80015939 is a prime.

It is not a weakly prime, because it can be changed into another prime (80016457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40008225 + 40008226.

It is an arithmetic number, because the mean of its divisors is an integer number (40008226).

Almost surely, 2^80016451 is an apocalyptic number.

80016451 is a deficient number, since it is larger than the sum of its proper divisors (1).

80016451 is an equidigital number, since it uses as much as digits as its factorization.

80016451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 80016451 is about 8945.1915015834. The cubic root of 80016451 is about 430.9164714863.

Adding to 80016451 its reverse (15461008), we get a palindrome (95477459).

The spelling of 80016451 in words is "eighty million, sixteen thousand, four hundred fifty-one".