168851092 has 6 divisors (see below), whose sum is σ = 295489418. Its totient is φ = 84425544.

The previous prime is 168851087. The next prime is 168851129. The reversal of 168851092 is 290158861.

It can be written as a sum of positive squares in only one way, i.e., 168844036 + 7056 = 12994^2 + 84^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106383 + ... + 21106390.

Almost surely, 2^168851092 is an apocalyptic number.

It is an amenable number.

168851092 is a deficient number, since it is larger than the sum of its proper divisors (126638326).

168851092 is a wasteful number, since it uses less digits than its factorization.

168851092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42212777 (or 42212775 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 168851092 is about 12994.2715070911. The cubic root of 168851092 is about 552.7150512458.

The spelling of 168851092 in words is "one hundred sixty-eight million, eight hundred fifty-one thousand, ninety-two".