16124418 has 12 divisors (see below), whose sum is σ = 34936278. Its totient is φ = 5374800.

The previous prime is 16124413. The next prime is 16124419. The reversal of 16124418 is 81442161.

It is a happy number.

16124418 is a `hidden beast` number, since 1 + 612 + 4 + 41 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11471769 + 4652649 = 3387^2 + 2157^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16124391 and 16124400.

It is not an unprimeable number, because it can be changed into a prime (16124413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 447883 + ... + 447918.

Almost surely, 2^16124418 is an apocalyptic number.

16124418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16124418 is an abundant number, since it is smaller than the sum of its proper divisors (18811860).

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

16124418 is a wasteful number, since it uses less digits than its factorization.

16124418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895809 (or 895806 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 16124418 is about 4015.5221329237. The cubic root of 16124418 is about 252.6356778255.

Adding to 16124418 its reverse (81442161), we get a palindrome (97566579).

The spelling of 16124418 in words is "sixteen million, one hundred twenty-four thousand, four hundred eighteen".