16424550 has 144 divisors (see below), whose sum is σ = 49617360. Its totient is φ = 3870720.

The previous prime is 16424549. The next prime is 16424557. The reversal of 16424550 is 5542461.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16424557) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 145294 + ... + 145406.

It is an arithmetic number, because the mean of its divisors is an integer number (344565).

It is a vampire number, since it can be written as 2550 ⋅ 6441 (with its own digits).

Almost surely, 2^16424550 is an apocalyptic number.

16424550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16424550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24808680).

16424550 is an abundant number, since it is smaller than the sum of its proper divisors (33192810).

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

16424550 is a wasteful number, since it uses less digits than its factorization.

16424550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 16424550 is about 4052.7213079609. The cubic root of 16424550 is about 254.1935305596.

The spelling of 16424550 in words is "sixteen million, four hundred twenty-four thousand, five hundred fifty".