16213116 has 12 divisors (see below), whose sum is σ = 37830632. Its totient is φ = 5404368.

The previous prime is 16213111. The next prime is 16213139. The reversal of 16213116 is 61131261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16213092 and 16213101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16213111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675535 + ... + 675558.

Almost surely, 2^16213116 is an apocalyptic number.

It is an amenable number.

16213116 is an abundant number, since it is smaller than the sum of its proper divisors (21617516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16213116 is a wasteful number, since it uses less digits than its factorization.

16213116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351100 (or 1351098 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 16213116 is about 4026.5513780405. The cubic root of 16213116 is about 253.0980679774.

Adding to 16213116 its reverse (61131261), we get a palindrome (77344377).

The spelling of 16213116 in words is "sixteen million, two hundred thirteen thousand, one hundred sixteen".