16189550 has 24 divisors (see below), whose sum is σ = 32430216. Its totient is φ = 5977440.

The previous prime is 16189531. The next prime is 16189553. The reversal of 16189550 is 5598161.

It is a self number, because there is not a number n which added to its sum of digits gives 16189550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16189553) 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 11 ways as a sum of consecutive naturals, for example, 11804 + ... + 13103.

It is an arithmetic number, because the mean of its divisors is an integer number (1351259).

Almost surely, 2^16189550 is an apocalyptic number.

16189550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16189550 is an abundant number, since it is smaller than the sum of its proper divisors (16240666).

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

16189550 is a wasteful number, since it uses less digits than its factorization.

16189550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24932 (or 24927 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 16189550 is about 4023.6239883965. The cubic root of 16189550 is about 252.9753812745.

The spelling of 16189550 in words is "sixteen million, one hundred eighty-nine thousand, five hundred fifty".