16409912 has 16 divisors (see below), whose sum is σ = 31761600. Its totient is φ = 7940160.

The previous prime is 16409893. The next prime is 16409929. The reversal of 16409912 is 21990461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32837 + ... + 33332.

It is an arithmetic number, because the mean of its divisors is an integer number (1985100).

Almost surely, 2^16409912 is an apocalyptic number.

It is an amenable number.

16409912 is a deficient number, since it is larger than the sum of its proper divisors (15351688).

16409912 is a wasteful number, since it uses less digits than its factorization.

16409912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66206 (or 66202 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 16409912 is about 4050.9149583767. The cubic root of 16409912 is about 254.1179934148.

The spelling of 16409912 in words is "sixteen million, four hundred nine thousand, nine hundred twelve".