168090210 has 48 divisors (see below), whose sum is σ = 456041664. Its totient is φ = 42874656.

The previous prime is 168090193. The next prime is 168090217. The reversal of 168090210 is 12090861.

168090210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (168090217) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 38532 + ... + 42671.

It is an arithmetic number, because the mean of its divisors is an integer number (9500868).

Almost surely, 2^168090210 is an apocalyptic number.

168090210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168090210 is an abundant number, since it is smaller than the sum of its proper divisors (287951454).

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

168090210 is a wasteful number, since it uses less digits than its factorization.

168090210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81239 (or 81236 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 168090210 is about 12964.9608560921. The cubic root of 168090210 is about 551.8835805208.

The spelling of 168090210 in words is "one hundred sixty-eight million, ninety thousand, two hundred ten".