168019204 has 12 divisors (see below), whose sum is σ = 309509200. Its totient is φ = 79588008.

The previous prime is 168019199. The next prime is 168019213. The reversal of 168019204 is 402910861.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105314 + ... + 1105465.

Almost surely, 2^168019204 is an apocalyptic number.

It is an amenable number.

168019204 is a deficient number, since it is larger than the sum of its proper divisors (141489996).

168019204 is a wasteful number, since it uses less digits than its factorization.

168019204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210802 (or 2210800 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 168019204 is about 12962.2221860297. Note that the first 3 decimals coincide. The cubic root of 168019204 is about 551.8058592291.

The spelling of 168019204 in words is "one hundred sixty-eight million, nineteen thousand, two hundred four".