199851056 has 20 divisors (see below), whose sum is σ = 396656904. Its totient is φ = 97488000.

The previous prime is 199851053. The next prime is 199851073. The reversal of 199851056 is 650158991.

It is a junction number, because it is equal to n+sod(n) for n = 199850998 and 199851016.

It is not an unprimeable number, because it can be changed into a prime (199851053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151670 + ... + 152981.

Almost surely, 2^199851056 is an apocalyptic number.

199851056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199851056 is a deficient number, since it is larger than the sum of its proper divisors (196805848).

199851056 is a wasteful number, since it uses less digits than its factorization.

199851056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304700 (or 304694 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 199851056 is about 14136.8686773274. The cubic root of 199851056 is about 584.6583399576.

The spelling of 199851056 in words is "one hundred ninety-nine million, eight hundred fifty-one thousand, fifty-six".