16416408 has 16 divisors (see below), whose sum is σ = 41041080. Its totient is φ = 5472128.

The previous prime is 16416403. The next prime is 16416409. The reversal of 16416408 is 80461461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16416403) 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, 341985 + ... + 342032.

Almost surely, 2^16416408 is an apocalyptic number.

It is an amenable number.

16416408 is an abundant number, since it is smaller than the sum of its proper divisors (24624672).

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

16416408 is a wasteful number, since it uses less digits than its factorization.

16416408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684026 (or 684022 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 16416408 is about 4051.7166732140. The cubic root of 16416408 is about 254.1515205642.

Adding to 16416408 its reverse (80461461), we get a palindrome (96877869).

The spelling of 16416408 in words is "sixteen million, four hundred sixteen thousand, four hundred eight".