16841620871 has 2 divisors, whose sum is σ = 16841620872. Its totient is φ = 16841620870.

The previous prime is 16841620853. The next prime is 16841620889. The reversal of 16841620871 is 17802614861.

It is a balanced prime because it is at equal distance from previous prime (16841620853) and next prime (16841620889).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16841620871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16841620171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8420810435 + 8420810436.

It is an arithmetic number, because the mean of its divisors is an integer number (8420810436).

Almost surely, 2^16841620871 is an apocalyptic number.

16841620871 is a deficient number, since it is larger than the sum of its proper divisors (1).

16841620871 is an equidigital number, since it uses as much as digits as its factorization.

16841620871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 16841620871 in words is "sixteen billion, eight hundred forty-one million, six hundred twenty thousand, eight hundred seventy-one".