198668014 has 4 divisors (see below), whose sum is σ = 298002024. Its totient is φ = 99334006.

The previous prime is 198667993. The next prime is 198668023. The reversal of 198668014 is 410866891.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49667002 + ... + 49667005.

It is an arithmetic number, because the mean of its divisors is an integer number (74500506).

Almost surely, 2^198668014 is an apocalyptic number.

198668014 is a deficient number, since it is larger than the sum of its proper divisors (99334010).

198668014 is an equidigital number, since it uses as much as digits as its factorization.

198668014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99334009.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 198668014 is about 14094.9641361729. The cubic root of 198668014 is about 583.5024046158.

The spelling of 198668014 in words is "one hundred ninety-eight million, six hundred sixty-eight thousand, fourteen".