16216424 has 32 divisors (see below), whose sum is σ = 36580800. Its totient is φ = 6583680.

The previous prime is 16216399. The next prime is 16216427. The reversal of 16216424 is 42461261.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 16216393 and 16216402.

It is not an unprimeable number, because it can be changed into a prime (16216427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6557 + ... + 8684.

It is an arithmetic number, because the mean of its divisors is an integer number (1143150).

Almost surely, 2^16216424 is an apocalyptic number.

16216424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16216424 is an abundant number, since it is smaller than the sum of its proper divisors (20364376).

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

16216424 is a wasteful number, since it uses less digits than its factorization.

16216424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15273 (or 15269 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 16216424 is about 4026.9621304403. The cubic root of 16216424 is about 253.1152802039.

Adding to 16216424 its reverse (42461261), we get a palindrome (58677685).

The spelling of 16216424 in words is "sixteen million, two hundred sixteen thousand, four hundred twenty-four".