199001606447 has 8 divisors (see below), whose sum is σ = 227434109952. Its totient is φ = 170570028600.

The previous prime is 199001606443. The next prime is 199001606471. The reversal of 199001606447 is 744606100991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 199001606447 - 2² = 199001606443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199001606443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315422 + ... + 705332.

It is an arithmetic number, because the mean of its divisors is an integer number (28429263744).

Almost surely, 2^199001606447 is an apocalyptic number.

199001606447 is a deficient number, since it is larger than the sum of its proper divisors (28432503505).

199001606447 is an equidigital number, since it uses as much as digits as its factorization.

199001606447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462829.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 199001606447 in words is "one hundred ninety-nine billion, one million, six hundred six thousand, four hundred forty-seven".