16214436 has 108 divisors (see below), whose sum is σ = 49166208. Its totient is φ = 4411584.

The previous prime is 16214431. The next prime is 16214437. The reversal of 16214436 is 63441261.

16214436 is a `hidden beast` number, since 1 + 621 + 4 + 4 + 36 = 666.

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

Its product of digits (3456) is a multiple of the sum of its prime divisors (96).

It is not an unprimeable number, because it can be changed into a prime (16214431) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 344965 + ... + 345011.

Almost surely, 2^16214436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16214436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24583104).

16214436 is an abundant number, since it is smaller than the sum of its proper divisors (32951772).

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

16214436 is a wasteful number, since it uses less digits than its factorization.

16214436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 96 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 16214436 is about 4026.7152866822. The cubic root of 16214436 is about 253.1049364985.

Adding to 16214436 its reverse (63441261), we get a palindrome (79655697).

The spelling of 16214436 in words is "sixteen million, two hundred fourteen thousand, four hundred thirty-six".