80336216546461 has 2 divisors, whose sum is σ = 80336216546462. Its totient is φ = 80336216546460.

The previous prime is 80336216546431. The next prime is 80336216546471. The reversal of 80336216546461 is 16464561263308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57976133010436 + 22360083536025 = 7614206^2 + 4728645^2 .

It is a cyclic number.

It is not a de Polignac number, because 80336216546461 - 2⁵ = 80336216546429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80336216546431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40168108273230 + 40168108273231.

It is an arithmetic number, because the mean of its divisors is an integer number (40168108273231).

Almost surely, 2^{80336216546461} is an apocalyptic number.

It is an amenable number.

80336216546461 is a deficient number, since it is larger than the sum of its proper divisors (1).

80336216546461 is an equidigital number, since it uses as much as digits as its factorization.

80336216546461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 80336216546461 in words is "eighty trillion, three hundred thirty-six billion, two hundred sixteen million, five hundred forty-six thousand, four hundred sixty-one".