199144268 has 12 divisors (see below), whose sum is σ = 348603360. Its totient is φ = 99543312.

The previous prime is 199144259. The next prime is 199144277. The reversal of 199144268 is 862441991.

It is an interprime number because it is at equal distance from previous prime (199144259) and next prime (199144277).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18638 + ... + 27306.

It is an arithmetic number, because the mean of its divisors is an integer number (29050280).

Almost surely, 2^199144268 is an apocalyptic number.

It is an amenable number.

199144268 is a deficient number, since it is larger than the sum of its proper divisors (149459092).

199144268 is a wasteful number, since it uses less digits than its factorization.

199144268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14416 (or 14414 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 199144268 is about 14111.8484969192. The cubic root of 199144268 is about 583.9682967402.

The spelling of 199144268 in words is "one hundred ninety-nine million, one hundred forty-four thousand, two hundred sixty-eight".