199416101 has 4 divisors (see below), whose sum is σ = 199466400. Its totient is φ = 199365804.

The previous prime is 199416089. The next prime is 199416127. The reversal of 199416101 is 101614991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 199416101 - 2²² = 195221797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199416131) 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, 18641 + ... + 27318.

It is an arithmetic number, because the mean of its divisors is an integer number (49866600).

Almost surely, 2^199416101 is an apocalyptic number.

It is an amenable number.

199416101 is a deficient number, since it is larger than the sum of its proper divisors (50299).

199416101 is an equidigital number, since it uses as much as digits as its factorization.

199416101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50298.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 199416101 is about 14121.4765870995. The cubic root of 199416101 is about 584.2338825598.

The spelling of 199416101 in words is "one hundred ninety-nine million, four hundred sixteen thousand, one hundred one".