11081916 has 18 divisors (see below), whose sum is σ = 28012712. Its totient is φ = 3693960.

The previous prime is 11081897. The next prime is 11081923. The reversal of 11081916 is 61918011.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11081916.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 153880 + ... + 153951.

Almost surely, 2^11081916 is an apocalyptic number.

It is an amenable number.

11081916 is an abundant number, since it is smaller than the sum of its proper divisors (16930796).

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

11081916 is a wasteful number, since it uses less digits than its factorization.

11081916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307841 (or 307836 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 11081916 is about 3328.9511861846. The cubic root of 11081916 is about 222.9487035719.

Adding to 11081916 its reverse (61918011), we get a palindrome (72999927).

The spelling of 11081916 in words is "eleven million, eighty-one thousand, nine hundred sixteen".