17671991344 has 40 divisors (see below), whose sum is σ = 39156581120. Its totient is φ = 7568728128.

The previous prime is 17671991341. The next prime is 17671991357. The reversal of 17671991344 is 44319917671.

It is a junction number, because it is equal to n+sod(n) for n = 17671991291 and 17671991300.

It is not an unprimeable number, because it can be changed into a prime (17671991341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121687 + ... + 223945.

It is an arithmetic number, because the mean of its divisors is an integer number (978914528).

Almost surely, 2^17671991344 is an apocalyptic number.

17671991344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

17671991344 is an abundant number, since it is smaller than the sum of its proper divisors (21484589776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17671991344 is a wasteful number, since it uses less digits than its factorization.

17671991344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103817 (or 103811 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 52.

The spelling of 17671991344 in words is "seventeen billion, six hundred seventy-one million, nine hundred ninety-one thousand, three hundred forty-four".