16618026 has 16 divisors (see below), whose sum is σ = 33381504. Its totient is φ = 5515104.

The previous prime is 16618009. The next prime is 16618033. The reversal of 16618026 is 62081661.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16617984 and 16618002.

It is an unprimeable number.

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, 4546 + ... + 7341.

It is an arithmetic number, because the mean of its divisors is an integer number (2086344).

Almost surely, 2^16618026 is an apocalyptic number.

16618026 is an abundant number, since it is smaller than the sum of its proper divisors (16763478).

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

16618026 is a wasteful number, since it uses less digits than its factorization.

16618026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 16618026 is about 4076.5213111181. The cubic root of 16618026 is about 255.1877433244.

Adding to 16618026 its reverse (62081661), we get a palindrome (78699687).

The spelling of 16618026 in words is "sixteen million, six hundred eighteen thousand, twenty-six".