199001606446 has 8 divisors (see below), whose sum is σ = 298527360264. Its totient is φ = 99492486360.

The previous prime is 199001606443. The next prime is 199001606471. The reversal of 199001606446 is 644606100991.

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

It is a junction number, because it is equal to n+sod(n) for n = 199001606396 and 199001606405.

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 3 ways as a sum of consecutive naturals, for example, 4128480 + ... + 4176403.

It is an arithmetic number, because the mean of its divisors is an integer number (37315920033).

Almost surely, 2^199001606446 is an apocalyptic number.

199001606446 is a deficient number, since it is larger than the sum of its proper divisors (99525753818).

199001606446 is a wasteful number, since it uses less digits than its factorization.

199001606446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8316866.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 199001606446 in words is "one hundred ninety-nine billion, one million, six hundred six thousand, four hundred forty-six".