16667671771063 has 2 divisors, whose sum is σ = 16667671771064. Its totient is φ = 16667671771062.

The previous prime is 16667671771001. The next prime is 16667671771087. The reversal of 16667671771063 is 36017717676661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16667671771063 - 2¹³ = 16667671762871 is a prime.

It is a super-2 number, since 2×16667671771063² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16667671770986 and 16667671771004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16667671775063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8333835885531 + 8333835885532.

It is an arithmetic number, because the mean of its divisors is an integer number (8333835885532).

Almost surely, 2^{16667671771063} is an apocalyptic number.

16667671771063 is a deficient number, since it is larger than the sum of its proper divisors (1).

16667671771063 is an equidigital number, since it uses as much as digits as its factorization.

16667671771063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56010528, while the sum is 64.

The spelling of 16667671771063 in words is "sixteen trillion, six hundred sixty-seven billion, six hundred seventy-one million, seven hundred seventy-one thousand, sixty-three".