16281104 has 60 divisors (see below), whose sum is σ = 38372544. Its totient is φ = 6554112.

The previous prime is 16281103. The next prime is 16281127. The reversal of 16281104 is 40118261.

It is a self number, because there is not a number n which added to its sum of digits gives 16281104.

It is not an unprimeable number, because it can be changed into a prime (16281101) 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 11 ways as a sum of consecutive naturals, for example, 32117 + ... + 32619.

Almost surely, 2^16281104 is an apocalyptic number.

16281104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16281104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19186272).

16281104 is an abundant number, since it is smaller than the sum of its proper divisors (22091440).

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

16281104 is a wasteful number, since it uses less digits than its factorization.

16281104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 16281104 is about 4034.9850061679. The cubic root of 16281104 is about 253.4513546729.

Adding to 16281104 its reverse (40118261), we get a palindrome (56399365).

The spelling of 16281104 in words is "sixteen million, two hundred eighty-one thousand, one hundred four".