16837984805 has 6 divisors (see below), whose sum is σ = 20205929958. Its totient is φ = 13470155720.

The previous prime is 16837984799. The next prime is 16837984817. The reversal of 16837984805 is 50848973861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13470387844 + 3367596961 = 116062^2 + 58031^2 .

It is not a de Polignac number, because 16837984805 - 2⁴ = 16837984789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 261140 + ... + 319170.

It is an arithmetic number, because the mean of its divisors is an integer number (3367654993).

Almost surely, 2^16837984805 is an apocalyptic number.

It is an amenable number.

16837984805 is a deficient number, since it is larger than the sum of its proper divisors (3367945153).

16837984805 is an frugal number, since it uses more digits than its factorization.

16837984805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116067 (or 58036 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 16837984805 in words is "sixteen billion, eight hundred thirty-seven million, nine hundred eighty-four thousand, eight hundred five".