161616211346063 has 2 divisors, whose sum is σ = 161616211346064. Its totient is φ = 161616211346062.

The previous prime is 161616211346053. The next prime is 161616211346069. The reversal of 161616211346063 is 360643112616161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161616211346063 - 2⁶ = 161616211345999 is a prime.

It is a super-2 number, since 2×161616211346063² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161616211345999 and 161616211346017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161616211346069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80808105673031 + 80808105673032.

It is an arithmetic number, because the mean of its divisors is an integer number (80808105673032).

Almost surely, 2^{161616211346063} is an apocalyptic number.

161616211346063 is a deficient number, since it is larger than the sum of its proper divisors (1).

161616211346063 is an equidigital number, since it uses as much as digits as its factorization.

161616211346063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 161616211346063 in words is "one hundred sixty-one trillion, six hundred sixteen billion, two hundred eleven million, three hundred forty-six thousand, sixty-three".