16546200686413 has 2 divisors, whose sum is σ = 16546200686414. Its totient is φ = 16546200686412.

The previous prime is 16546200686371. The next prime is 16546200686419. The reversal of 16546200686413 is 31468600264561.

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., 14226799616649 + 2319401069764 = 3771843^2 + 1522958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16546200686413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16546200686419) 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, 8273100343206 + 8273100343207.

It is an arithmetic number, because the mean of its divisors is an integer number (8273100343207).

Almost surely, 2^{16546200686413} is an apocalyptic number.

It is an amenable number.

16546200686413 is a deficient number, since it is larger than the sum of its proper divisors (1).

16546200686413 is an equidigital number, since it uses as much as digits as its factorization.

16546200686413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 16546200686413 in words is "sixteen trillion, five hundred forty-six billion, two hundred million, six hundred eighty-six thousand, four hundred thirteen".