168994196 has 24 divisors (see below), whose sum is σ = 339158400. Its totient is φ = 72175392.

The previous prime is 168994181. The next prime is 168994211. The reversal of 168994196 is 691499861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (168994181) and next prime (168994211).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2096 + ... + 18503.

It is an arithmetic number, because the mean of its divisors is an integer number (14131600).

Almost surely, 2^168994196 is an apocalyptic number.

It is an amenable number.

168994196 is an abundant number, since it is smaller than the sum of its proper divisors (170164204).

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

168994196 is a wasteful number, since it uses less digits than its factorization.

168994196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20903 (or 20901 counting only the distinct ones).

The product of its digits is 839808, while the sum is 53.

The square root of 168994196 is about 12999.7767673141. The cubic root of 168994196 is about 552.8711521023.

The spelling of 168994196 in words is "one hundred sixty-eight million, nine hundred ninety-four thousand, one hundred ninety-six".