16541330 has 16 divisors (see below), whose sum is σ = 32064984. Its totient is φ = 6107520.

The previous prime is 16541297. The next prime is 16541333. The reversal of 16541330 is 3314561.

16541330 = 245² + 246² + ... + 400².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5841889 + 10699441 = 2417^2 + 3271^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16541296 and 16541305.

It is not an unprimeable number, because it can be changed into a prime (16541333) 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 7 ways as a sum of consecutive naturals, for example, 63491 + ... + 63750.

Almost surely, 2^16541330 is an apocalyptic number.

16541330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16541330 is a deficient number, since it is larger than the sum of its proper divisors (15523654).

16541330 is a wasteful number, since it uses less digits than its factorization.

16541330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127261.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 16541330 is about 4067.1033918503. The cubic root of 16541330 is about 254.7945545030.

Adding to 16541330 its reverse (3314561), we get a palindrome (19855891).

The spelling of 16541330 in words is "sixteen million, five hundred forty-one thousand, three hundred thirty".