168027849 has 24 divisors (see below), whose sum is σ = 278709600. Its totient is φ = 96474240.

The previous prime is 168027833. The next prime is 168027877. The reversal of 168027849 is 948720861.

It is not a de Polignac number, because 168027849 - 2⁴ = 168027833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168027809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42784 + ... + 46545.

It is an arithmetic number, because the mean of its divisors is an integer number (11612900).

Almost surely, 2^168027849 is an apocalyptic number.

168027849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

168027849 is a deficient number, since it is larger than the sum of its proper divisors (110681751).

168027849 is a wasteful number, since it uses less digits than its factorization.

168027849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89365 (or 89362 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 168027849 is about 12962.5556507966. Note that the first 3 decimals coincide. The cubic root of 168027849 is about 551.8153229882.

The spelling of 168027849 in words is "one hundred sixty-eight million, twenty-seven thousand, eight hundred forty-nine".