16345548161191 has 2 divisors, whose sum is σ = 16345548161192. Its totient is φ = 16345548161190.

The previous prime is 16345548161183. The next prime is 16345548161263. The reversal of 16345548161191 is 19116184554361.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (19116184554361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16345548161191 - 2³ = 16345548161183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16345548164191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172774080595 + 8172774080596.

It is an arithmetic number, because the mean of its divisors is an integer number (8172774080596).

Almost surely, 2^{16345548161191} is an apocalyptic number.

16345548161191 is a deficient number, since it is larger than the sum of its proper divisors (1).

16345548161191 is an equidigital number, since it uses as much as digits as its factorization.

16345548161191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 55.

The spelling of 16345548161191 in words is "sixteen trillion, three hundred forty-five billion, five hundred forty-eight million, one hundred sixty-one thousand, one hundred ninety-one".