16406116 has 6 divisors (see below), whose sum is σ = 28710710. Its totient is φ = 8203056.

The previous prime is 16406111. The next prime is 16406119. The reversal of 16406116 is 61160461.

It can be written as a sum of positive squares in only one way, i.e., 10176100 + 6230016 = 3190^2 + 2496^2 .

It is not an unprimeable number, because it can be changed into a prime (16406111) by changing a digit.

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 as a sum of consecutive naturals, namely, 2050761 + ... + 2050768.

Almost surely, 2^16406116 is an apocalyptic number.

It is an amenable number.

16406116 is a deficient number, since it is larger than the sum of its proper divisors (12304594).

16406116 is a wasteful number, since it uses less digits than its factorization.

16406116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101533 (or 4101531 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16406116 is about 4050.4463951520. The cubic root of 16406116 is about 254.0983974070.

Adding to 16406116 its reverse (61160461), we get a palindrome (77566577).

The spelling of 16406116 in words is "sixteen million, four hundred six thousand, one hundred sixteen".