168773149 has 8 divisors (see below), whose sum is σ = 176787072. Its totient is φ = 160815600.

The previous prime is 168773141. The next prime is 168773159. The reversal of 168773149 is 941377861.

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

It is a cyclic number.

It is not a de Polignac number, because 168773149 - 2³ = 168773141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168773099 and 168773108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168773141) 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, 7902 + ... + 19999.

It is an arithmetic number, because the mean of its divisors is an integer number (22098384).

Almost surely, 2^168773149 is an apocalyptic number.

It is an amenable number.

168773149 is a deficient number, since it is larger than the sum of its proper divisors (8013923).

168773149 is a wasteful number, since it uses less digits than its factorization.

168773149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28187.

The product of its digits is 254016, while the sum is 46.

The square root of 168773149 is about 12991.2720316372. The cubic root of 168773149 is about 552.6299922763.

The spelling of 168773149 in words is "one hundred sixty-eight million, seven hundred seventy-three thousand, one hundred forty-nine".