168845428 has 24 divisors (see below), whose sum is σ = 315911232. Its totient is φ = 78681984.

The previous prime is 168845407. The next prime is 168845431. The reversal of 168845428 is 824548861.

It is a congruent 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, 5050 + ... + 19057.

It is an arithmetic number, because the mean of its divisors is an integer number (13162968).

Almost surely, 2^168845428 is an apocalyptic number.

It is an amenable number.

168845428 is a deficient number, since it is larger than the sum of its proper divisors (147065804).

168845428 is a wasteful number, since it uses less digits than its factorization.

168845428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24231 (or 24229 counting only the distinct ones).

The product of its digits is 491520, while the sum is 46.

The square root of 168845428 is about 12994.0535630726. The cubic root of 168845428 is about 552.7088710212.

The spelling of 168845428 in words is "one hundred sixty-eight million, eight hundred forty-five thousand, four hundred twenty-eight".