16717051553 has 2 divisors, whose sum is σ = 16717051554. Its totient is φ = 16717051552.

The previous prime is 16717051469. The next prime is 16717051577. The reversal of 16717051553 is 35515071761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15156564544 + 1560487009 = 123112^2 + 39503^2 .

It is a cyclic number.

It is not a de Polignac number, because 16717051553 - 2¹⁰ = 16717050529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16717051553.

It is not a weakly prime, because it can be changed into another prime (16717051453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8358525776 + 8358525777.

It is an arithmetic number, because the mean of its divisors is an integer number (8358525777).

Almost surely, 2^16717051553 is an apocalyptic number.

It is an amenable number.

16717051553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16717051553 is an equidigital number, since it uses as much as digits as its factorization.

16717051553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110250, while the sum is 41.

The spelling of 16717051553 in words is "sixteen billion, seven hundred seventeen million, fifty-one thousand, five hundred fifty-three".