16005112 has 8 divisors (see below), whose sum is σ = 30009600. Its totient is φ = 8002552.

The previous prime is 16005091. The next prime is 16005131. The reversal of 16005112 is 21150061.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×16005112² = 512327220265088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000312 + ... + 1000327.

It is an arithmetic number, because the mean of its divisors is an integer number (3751200).

Almost surely, 2^16005112 is an apocalyptic number.

It is an amenable number.

16005112 is a deficient number, since it is larger than the sum of its proper divisors (14004488).

16005112 is a wasteful number, since it uses less digits than its factorization.

16005112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000645 (or 2000641 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 16005112 is about 4000.6389489680. The cubic root of 16005112 is about 252.0110434398.

Adding to 16005112 its reverse (21150061), we get a palindrome (37155173).

The spelling of 16005112 in words is "sixteen million, five thousand, one hundred twelve".