194198768 has 20 divisors (see below), whose sum is σ = 377142528. Its totient is φ = 96871680.

The previous prime is 194198759. The next prime is 194198779. The reversal of 194198768 is 867891491.

It is a super-2 number, since 2×194198768² = 75426322985435648, which contains 22 as substring.

It is a congruent 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, 7088 + ... + 20943.

Almost surely, 2^194198768 is an apocalyptic number.

It is an amenable number.

194198768 is a deficient number, since it is larger than the sum of its proper divisors (182943760).

194198768 is a wasteful number, since it uses less digits than its factorization.

194198768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28472 (or 28466 counting only the distinct ones).

The product of its digits is 870912, while the sum is 53.

The square root of 194198768 is about 13935.5218058026. The cubic root of 194198768 is about 579.0936776390.

The spelling of 194198768 in words is "one hundred ninety-four million, one hundred ninety-eight thousand, seven hundred sixty-eight".