16040116 has 6 divisors (see below), whose sum is σ = 28070210. Its totient is φ = 8020056.

The previous prime is 16040111. The next prime is 16040159. The reversal of 16040116 is 61104061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16032016 + 8100 = 4004^2 + 90^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16040093 and 16040102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16040111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005011 + ... + 2005018.

Almost surely, 2^16040116 is an apocalyptic number.

It is an amenable number.

16040116 is a deficient number, since it is larger than the sum of its proper divisors (12030094).

16040116 is a wasteful number, since it uses less digits than its factorization.

16040116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010033 (or 4010031 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 16040116 is about 4005.0113607829. The cubic root of 16040116 is about 252.1946300218.

Adding to 16040116 its reverse (61104061), we get a palindrome (77144177).

The spelling of 16040116 in words is "sixteen million, forty thousand, one hundred sixteen".