199066441 has 4 divisors (see below), whose sum is σ = 227504512. Its totient is φ = 170628372.

The previous prime is 199066433. The next prime is 199066451. The reversal of 199066441 is 144660991.

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 199066441 - 2³ = 199066433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199066394 and 199066403.

It is not an unprimeable number, because it can be changed into a prime (199066451) 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, 14219025 + ... + 14219038.

It is an arithmetic number, because the mean of its divisors is an integer number (56876128).

Almost surely, 2^199066441 is an apocalyptic number.

It is an amenable number.

199066441 is a deficient number, since it is larger than the sum of its proper divisors (28438071).

199066441 is an equidigital number, since it uses as much as digits as its factorization.

199066441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28438070.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 199066441 is about 14109.0907219424. The cubic root of 199066441 is about 583.8922138366.

The spelling of 199066441 in words is "one hundred ninety-nine million, sixty-six thousand, four hundred forty-one".