16212116 has 12 divisors (see below), whose sum is σ = 28652820. Its totient is φ = 8025600.

The previous prime is 16212107. The next prime is 16212121. The reversal of 16212116 is 61121261.

16212116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7236100 + 8976016 = 2690^2 + 2996^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19661 + ... + 20468.

It is an arithmetic number, because the mean of its divisors is an integer number (2387735).

Almost surely, 2^16212116 is an apocalyptic number.

It is an amenable number.

16212116 is a deficient number, since it is larger than the sum of its proper divisors (12440704).

16212116 is a wasteful number, since it uses less digits than its factorization.

16212116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40234 (or 40232 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 16212116 is about 4026.4272003850. The cubic root of 16212116 is about 253.0928643042.

Adding to 16212116 its reverse (61121261), we get a palindrome (77333377).

The spelling of 16212116 in words is "sixteen million, two hundred twelve thousand, one hundred sixteen".