16481671737208 has 32 divisors (see below), whose sum is σ = 31050227232000. Its totient is φ = 8201612734560.

The previous prime is 16481671737197. The next prime is 16481671737253. The reversal of 16481671737208 is 80273717618461.

It is a happy number.

It is a super-2 number, since 2×16481671737208² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149128513 + ... + 149238991.

It is an arithmetic number, because the mean of its divisors is an integer number (970319601000).

Almost surely, 2^{16481671737208} is an apocalyptic number.

It is an amenable number.

16481671737208 is a deficient number, since it is larger than the sum of its proper divisors (14568555494792).

16481671737208 is a wasteful number, since it uses less digits than its factorization.

16481671737208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199075 (or 199071 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 16481671737208 in words is "sixteen trillion, four hundred eighty-one billion, six hundred seventy-one million, seven hundred thirty-seven thousand, two hundred eight".