16835016851 has 2 divisors, whose sum is σ = 16835016852. Its totient is φ = 16835016850.

The previous prime is 16835016833. The next prime is 16835016901. The reversal of 16835016851 is 15861053861.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (15861053861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16835016851 - 2⁶ = 16835016787 is a prime.

It is not a weakly prime, because it can be changed into another prime (16835016811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8417508425 + 8417508426.

It is an arithmetic number, because the mean of its divisors is an integer number (8417508426).

Almost surely, 2^16835016851 is an apocalyptic number.

16835016851 is a deficient number, since it is larger than the sum of its proper divisors (1).

16835016851 is an equidigital number, since it uses as much as digits as its factorization.

16835016851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 16835016851 in words is "sixteen billion, eight hundred thirty-five million, sixteen thousand, eight hundred fifty-one".