11516818 has 8 divisors (see below), whose sum is σ = 17696700. Its totient is φ = 5617920.

The previous prime is 11516807. The next prime is 11516851. The reversal of 11516818 is 81861511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10131489 + 1385329 = 3183^2 + 1177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11516818.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70143 + ... + 70306.

Almost surely, 2^11516818 is an apocalyptic number.

11516818 is a deficient number, since it is larger than the sum of its proper divisors (6179882).

11516818 is a wasteful number, since it uses less digits than its factorization.

11516818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140492.

The product of its digits is 1920, while the sum is 31.

The square root of 11516818 is about 3393.6437644514. The cubic root of 11516818 is about 225.8278507343.

The spelling of 11516818 in words is "eleven million, five hundred sixteen thousand, eight hundred eighteen".