16249408 has 112 divisors (see below), whose sum is σ = 40965120. Its totient is φ = 6234624.

The previous prime is 16249403. The next prime is 16249411. The reversal of 16249408 is 80494261.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (16249403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195735 + ... + 195817.

It is an arithmetic number, because the mean of its divisors is an integer number (365760).

Almost surely, 2^16249408 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 16249408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20482560).

16249408 is an abundant number, since it is smaller than the sum of its proper divisors (24715712).

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

16249408 is a wasteful number, since it uses less digits than its factorization.

16249408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 16249408 is about 4031.0554449176. The cubic root of 16249408 is about 253.2867750697.

The spelling of 16249408 in words is "sixteen million, two hundred forty-nine thousand, four hundred eight".