16450434 has 144 divisors (see below), whose sum is σ = 48799296. Its totient is φ = 3896640.

The previous prime is 16450433. The next prime is 16450481. The reversal of 16450434 is 43405461.

It is a junction number, because it is equal to n+sod(n) for n = 16450398 and 16450407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16450433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 198157 + ... + 198239.

It is an arithmetic number, because the mean of its divisors is an integer number (338884).

Almost surely, 2^16450434 is an apocalyptic number.

16450434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16450434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24399648).

16450434 is an abundant number, since it is smaller than the sum of its proper divisors (32348862).

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

16450434 is a wasteful number, since it uses less digits than its factorization.

16450434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 16450434 is about 4055.9134606153. The cubic root of 16450434 is about 254.3269911832.

Adding to 16450434 its reverse (43405461), we get a palindrome (59855895).

The spelling of 16450434 in words is "sixteen million, four hundred fifty thousand, four hundred thirty-four".