16161110049943 has 2 divisors, whose sum is σ = 16161110049944. Its totient is φ = 16161110049942.

The previous prime is 16161110049913. The next prime is 16161110050021. The reversal of 16161110049943 is 34994001116161.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34994001116161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16161110049943 - 2²⁵ = 16161076495511 is a prime.

It is a super-2 number, since 2×16161110049943² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16161110049893 and 16161110049902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16161110049913) 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, 8080555024971 + 8080555024972.

It is an arithmetic number, because the mean of its divisors is an integer number (8080555024972).

Almost surely, 2^{16161110049943} is an apocalyptic number.

16161110049943 is a deficient number, since it is larger than the sum of its proper divisors (1).

16161110049943 is an equidigital number, since it uses as much as digits as its factorization.

16161110049943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 16161110049943 in words is "sixteen trillion, one hundred sixty-one billion, one hundred ten million, forty-nine thousand, nine hundred forty-three".