16042205 has 8 divisors (see below), whose sum is σ = 19298904. Its totient is φ = 12801600.

The previous prime is 16042177. The next prime is 16042223. The reversal of 16042205 is 50224061.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 534361 + 15507844 = 731^2 + 3938^2 .

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

It is not a de Polignac number, because 16042205 - 2⁶ = 16042141 is a prime.

It is a Duffinian number.

It is a congruent 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, 1706 + ... + 5915.

It is an arithmetic number, because the mean of its divisors is an integer number (2412363).

Almost surely, 2^16042205 is an apocalyptic number.

It is an amenable number.

16042205 is a deficient number, since it is larger than the sum of its proper divisors (3256699).

16042205 is an equidigital number, since it uses as much as digits as its factorization.

16042205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 16042205 is about 4005.2721505536. The cubic root of 16042205 is about 252.2055778169.

Adding to 16042205 its reverse (50224061), we get a palindrome (66266266).

The spelling of 16042205 in words is "sixteen million, forty-two thousand, two hundred five".