168321914 has 8 divisors (see below), whose sum is σ = 254842848. Its totient is φ = 83374300.

The previous prime is 168321883. The next prime is 168321929. The reversal of 168321914 is 419123861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 393062 + ... + 393489.

It is an arithmetic number, because the mean of its divisors is an integer number (31855356).

Almost surely, 2^168321914 is an apocalyptic number.

168321914 is a deficient number, since it is larger than the sum of its proper divisors (86520934).

168321914 is a wasteful number, since it uses less digits than its factorization.

168321914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786660.

The product of its digits is 10368, while the sum is 35.

The square root of 168321914 is about 12973.8935559068. The cubic root of 168321914 is about 552.1370454554.

The spelling of 168321914 in words is "one hundred sixty-eight million, three hundred twenty-one thousand, nine hundred fourteen".