16641226 has 32 divisors (see below), whose sum is σ = 30476160. Its totient is φ = 6656256.

The previous prime is 16641221. The next prime is 16641239. The reversal of 16641226 is 62214661.

It is a junction number, because it is equal to n+sod(n) for n = 16641194 and 16641203.

It is not an unprimeable number, because it can be changed into a prime (16641221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18990 + ... + 19846.

It is an arithmetic number, because the mean of its divisors is an integer number (952380).

Almost surely, 2^16641226 is an apocalyptic number.

16641226 is a deficient number, since it is larger than the sum of its proper divisors (13834934).

16641226 is a wasteful number, since it uses less digits than its factorization.

16641226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958.

The product of its digits is 3456, while the sum is 28.

The square root of 16641226 is about 4079.3658820949. The cubic root of 16641226 is about 255.3064417926.

Adding to 16641226 its reverse (62214661), we get a palindrome (78855887).

The spelling of 16641226 in words is "sixteen million, six hundred forty-one thousand, two hundred twenty-six".