16680301727 has 2 divisors, whose sum is σ = 16680301728. Its totient is φ = 16680301726.

The previous prime is 16680301637. The next prime is 16680301763. The reversal of 16680301727 is 72710308661.

It is a strong prime.

It is an emirp because it is prime and its reverse (72710308661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16680301727 - 2¹⁴ = 16680285343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16680301777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8340150863 + 8340150864.

It is an arithmetic number, because the mean of its divisors is an integer number (8340150864).

Almost surely, 2^16680301727 is an apocalyptic number.

16680301727 is a deficient number, since it is larger than the sum of its proper divisors (1).

16680301727 is an equidigital number, since it uses as much as digits as its factorization.

16680301727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 16680301727 in words is "sixteen billion, six hundred eighty million, three hundred one thousand, seven hundred twenty-seven".