168803994 has 8 divisors (see below), whose sum is σ = 337608000. Its totient is φ = 56267996.

The previous prime is 168803977. The next prime is 168804001. The reversal of 168803994 is 499308861.

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

168803994 is an admirable 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, 14066994 + ... + 14067005.

It is an arithmetic number, because the mean of its divisors is an integer number (42201000).

Almost surely, 2^168803994 is an apocalyptic number.

168803994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

168803994 is a wasteful number, since it uses less digits than its factorization.

168803994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28134004.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 168803994 is about 12992.4591205822. The cubic root of 168803994 is about 552.6636564657.

The spelling of 168803994 in words is "one hundred sixty-eight million, eight hundred three thousand, nine hundred ninety-four".