168686850 has 48 divisors (see below), whose sum is σ = 428088672. Its totient is φ = 43935360.

The previous prime is 168686821. The next prime is 168686873. The reversal of 168686850 is 58686861.

It is a happy number.

168686850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 168686850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6627 + ... + 19526.

It is an arithmetic number, because the mean of its divisors is an integer number (8918514).

Almost surely, 2^168686850 is an apocalyptic number.

168686850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168686850 is an abundant number, since it is smaller than the sum of its proper divisors (259401822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168686850 is a wasteful number, since it uses less digits than its factorization.

168686850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26211 (or 26206 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 168686850 is about 12987.9501846904. The cubic root of 168686850 is about 552.5357838729.

The spelling of 168686850 in words is "one hundred sixty-eight million, six hundred eighty-six thousand, eight hundred fifty".