16545054477293 has 2 divisors, whose sum is σ = 16545054477294. Its totient is φ = 16545054477292.

The previous prime is 16545054477283. The next prime is 16545054477299. The reversal of 16545054477293 is 39277445054561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14637526113604 + 1907528363689 = 3825902^2 + 1381133^2 .

It is a cyclic number.

It is not a de Polignac number, because 16545054477293 - 2¹⁶ = 16545054411757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545054477299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272527238646 + 8272527238647.

It is an arithmetic number, because the mean of its divisors is an integer number (8272527238647).

Almost surely, 2^{16545054477293} is an apocalyptic number.

It is an amenable number.

16545054477293 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545054477293 is an equidigital number, since it uses as much as digits as its factorization.

16545054477293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008000, while the sum is 62.

The spelling of 16545054477293 in words is "sixteen trillion, five hundred forty-five billion, fifty-four million, four hundred seventy-seven thousand, two hundred ninety-three".