16005112205 has 8 divisors (see below), whose sum is σ = 19218543000. Its totient is φ = 12795817536.

The previous prime is 16005112181. The next prime is 16005112223. The reversal of 16005112205 is 50221150061.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4086149929 + 11918962276 = 63923^2 + 109174^2 .

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 16005112205 - 2⁸ = 16005111949 is a prime.

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, 1025510 + ... + 1040999.

It is an arithmetic number, because the mean of its divisors is an integer number (2402317875).

Almost surely, 2^16005112205 is an apocalyptic number.

It is an amenable number.

16005112205 is a deficient number, since it is larger than the sum of its proper divisors (3213430795).

16005112205 is a wasteful number, since it uses less digits than its factorization.

16005112205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068063.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 16005112205 its reverse (50221150061), we get a palindrome (66226262266).

The spelling of 16005112205 in words is "sixteen billion, five million, one hundred twelve thousand, two hundred five".