173163994 has 8 divisors (see below), whose sum is σ = 264004308. Its totient is φ = 85162560.

The previous prime is 173163973. The next prime is 173164001. The reversal of 173163994 is 499361371.

It can be written as a sum of positive squares in 2 ways, for example, as 165251025 + 7912969 = 12855^2 + 2813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 173163994.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 709567 + ... + 709810.

Almost surely, 2^173163994 is an apocalyptic number.

173163994 is a deficient number, since it is larger than the sum of its proper divisors (90840314).

173163994 is a wasteful number, since it uses less digits than its factorization.

173163994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419440.

The product of its digits is 122472, while the sum is 43.

The square root of 173163994 is about 13159.1790777389. The cubic root of 173163994 is about 557.3814761410.

The spelling of 173163994 in words is "one hundred seventy-three million, one hundred sixty-three thousand, nine hundred ninety-four".