16611104 has 12 divisors (see below), whose sum is σ = 32703174. Its totient is φ = 8305536.

The previous prime is 16611103. The next prime is 16611107. The reversal of 16611104 is 40111661.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 3794704 = 3580^2 + 1948^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16611103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259517 + ... + 259580.

Almost surely, 2^16611104 is an apocalyptic number.

It is an amenable number.

16611104 is a deficient number, since it is larger than the sum of its proper divisors (16092070).

16611104 is an equidigital number, since it uses as much as digits as its factorization.

16611104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519107 (or 519099 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 16611104 is about 4075.6722144942. The cubic root of 16611104 is about 255.1523068076.

Adding to 16611104 its reverse (40111661), we get a palindrome (56722765).

The spelling of 16611104 in words is "sixteen million, six hundred eleven thousand, one hundred four".