168199124 has 12 divisors (see below), whose sum is σ = 296224404. Its totient is φ = 83563584.

The previous prime is 168199123. The next prime is 168199127. The reversal of 168199124 is 421991861.

It can be written as a sum of positive squares in 2 ways, for example, as 22562500 + 145636624 = 4750^2 + 12068^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168199121) 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 3 ways as a sum of consecutive naturals, for example, 133289 + ... + 134544.

It is an arithmetic number, because the mean of its divisors is an integer number (24685367).

Almost surely, 2^168199124 is an apocalyptic number.

It is an amenable number.

168199124 is a deficient number, since it is larger than the sum of its proper divisors (128025280).

168199124 is a wasteful number, since it uses less digits than its factorization.

168199124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267994 (or 267992 counting only the distinct ones).

The product of its digits is 31104, while the sum is 41.

The square root of 168199124 is about 12969.1604971178. The cubic root of 168199124 is about 552.0027523842.

The spelling of 168199124 in words is "one hundred sixty-eight million, one hundred ninety-nine thousand, one hundred twenty-four".