16041428 has 12 divisors (see below), whose sum is σ = 30232020. Its totient is φ = 7403712.

The previous prime is 16041427. The next prime is 16041433. The reversal of 16041428 is 82414061.

It can be written as a sum of positive squares in 2 ways, for example, as 5098564 + 10942864 = 2258^2 + 3308^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 16041397 and 16041406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16041427) 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 3 ways as a sum of consecutive naturals, for example, 154193 + ... + 154296.

It is an arithmetic number, because the mean of its divisors is an integer number (2519335).

Almost surely, 2^16041428 is an apocalyptic number.

It is an amenable number.

16041428 is a deficient number, since it is larger than the sum of its proper divisors (14190592).

16041428 is a wasteful number, since it uses less digits than its factorization.

16041428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308506 (or 308504 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 16041428 is about 4005.1751522249. The cubic root of 16041428 is about 252.2015059141.

Adding to 16041428 its reverse (82414061), we get a palindrome (98455489).

The spelling of 16041428 in words is "sixteen million, forty-one thousand, four hundred twenty-eight".