16199705 has 8 divisors (see below), whose sum is σ = 20284992. Its totient is φ = 12396208.

The previous prime is 16199699. The next prime is 16199713. The reversal of 16199705 is 50799161.

16199705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16199705 - 2⁶ = 16199641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70319 + ... + 70548.

It is an arithmetic number, because the mean of its divisors is an integer number (2535624).

Almost surely, 2^16199705 is an apocalyptic number.

It is an amenable number.

16199705 is a deficient number, since it is larger than the sum of its proper divisors (4085287).

16199705 is a wasteful number, since it uses less digits than its factorization.

16199705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140895.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 16199705 is about 4024.8857126632. The cubic root of 16199705 is about 253.0282637007.

The spelling of 16199705 in words is "sixteen million, one hundred ninety-nine thousand, seven hundred five".