16541035669 has 2 divisors, whose sum is σ = 16541035670. Its totient is φ = 16541035668.

The previous prime is 16541035661. The next prime is 16541035673. The reversal of 16541035669 is 96653014561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16119349444 + 421686225 = 126962^2 + 20535^2 .

It is an emirp because it is prime and its reverse (96653014561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16541035669 - 2³ = 16541035661 is a prime.

It is a super-2 number, since 2×16541035669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16541035661) 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, 8270517834 + 8270517835.

It is an arithmetic number, because the mean of its divisors is an integer number (8270517835).

Almost surely, 2^16541035669 is an apocalyptic number.

It is an amenable number.

16541035669 is a deficient number, since it is larger than the sum of its proper divisors (1).

16541035669 is an equidigital number, since it uses as much as digits as its factorization.

16541035669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 16541035669 in words is "sixteen billion, five hundred forty-one million, thirty-five thousand, six hundred sixty-nine".