168269828 has 6 divisors (see below), whose sum is σ = 294472206. Its totient is φ = 84134912.

The previous prime is 168269809. The next prime is 168269831. The reversal of 168269828 is 828962861.

It can be written as a sum of positive squares in only one way, i.e., 167754304 + 515524 = 12952^2 + 718^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21033725 + ... + 21033732.

It is an arithmetic number, because the mean of its divisors is an integer number (49078701).

Almost surely, 2^168269828 is an apocalyptic number.

It is an amenable number.

168269828 is a deficient number, since it is larger than the sum of its proper divisors (126202378).

168269828 is a wasteful number, since it uses less digits than its factorization.

168269828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42067461 (or 42067459 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 168269828 is about 12971.8860617876. The cubic root of 168269828 is about 552.0800879736.

The spelling of 168269828 in words is "one hundred sixty-eight million, two hundred sixty-nine thousand, eight hundred twenty-eight".