16682206217231 has 2 divisors, whose sum is σ = 16682206217232. Its totient is φ = 16682206217230.

The previous prime is 16682206217189. The next prime is 16682206217293. The reversal of 16682206217231 is 13271260228661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16682206217231 - 2³⁸ = 16407328310287 is a prime.

It is a super-2 number, since 2×16682206217231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16682206216231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8341103108615 + 8341103108616.

It is an arithmetic number, because the mean of its divisors is an integer number (8341103108616).

Almost surely, 2^{16682206217231} is an apocalyptic number.

16682206217231 is a deficient number, since it is larger than the sum of its proper divisors (1).

16682206217231 is an equidigital number, since it uses as much as digits as its factorization.

16682206217231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 16682206217231 in words is "sixteen trillion, six hundred eighty-two billion, two hundred six million, two hundred seventeen thousand, two hundred thirty-one".