16853398738667 has 2 divisors, whose sum is σ = 16853398738668. Its totient is φ = 16853398738666.

The previous prime is 16853398738643. The next prime is 16853398738697. The reversal of 16853398738667 is 76683789335861.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16853398738667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16853398738591 and 16853398738600.

It is not a weakly prime, because it can be changed into another prime (16853398738697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8426699369333 + 8426699369334.

It is an arithmetic number, because the mean of its divisors is an integer number (8426699369334).

Almost surely, 2^{16853398738667} is an apocalyptic number.

16853398738667 is a deficient number, since it is larger than the sum of its proper divisors (1).

16853398738667 is an equidigital number, since it uses as much as digits as its factorization.

16853398738667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6584094720, while the sum is 80.

The spelling of 16853398738667 in words is "sixteen trillion, eight hundred fifty-three billion, three hundred ninety-eight million, seven hundred thirty-eight thousand, six hundred sixty-seven".