168196985 has 8 divisors (see below), whose sum is σ = 220185216. Its totient is φ = 122325040.

The previous prime is 168196957. The next prime is 168196993. The reversal of 168196985 is 589691861.

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

It is not a de Polignac number, because 168196985 - 2⁶ = 168196921 is a prime.

It is a Duffinian 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, 1529009 + ... + 1529118.

It is an arithmetic number, because the mean of its divisors is an integer number (27523152).

Almost surely, 2^168196985 is an apocalyptic number.

It is an amenable number.

168196985 is a deficient number, since it is larger than the sum of its proper divisors (51988231).

168196985 is a wasteful number, since it uses less digits than its factorization.

168196985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058143.

The product of its digits is 933120, while the sum is 53.

The square root of 168196985 is about 12969.0780319960. The cubic root of 168196985 is about 552.0004124218. Note that the first 3 decimals are identical.

The spelling of 168196985 in words is "one hundred sixty-eight million, one hundred ninety-six thousand, nine hundred eighty-five".