173199817492 has 48 divisors (see below), whose sum is σ = 343651974400. Its totient is φ = 75718488960.

The previous prime is 173199817403. The next prime is 173199817499. The reversal of 173199817492 is 294718991371.

It is a self number, because there is not a number n which added to its sum of digits gives 173199817492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173199817499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8349109 + ... + 8369827.

Almost surely, 2^173199817492 is an apocalyptic number.

It is an amenable number.

173199817492 is a deficient number, since it is larger than the sum of its proper divisors (170452156908).

173199817492 is a wasteful number, since it uses less digits than its factorization.

173199817492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29216 (or 29214 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 61.

The spelling of 173199817492 in words is "one hundred seventy-three billion, one hundred ninety-nine million, eight hundred seventeen thousand, four hundred ninety-two".