11616140 has 12 divisors (see below), whose sum is σ = 24393936. Its totient is φ = 4646448.

The previous prime is 11616139. The next prime is 11616167. The reversal of 11616140 is 4161611.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 580807 = 11616140 / (1 + 1 + 6 + 1 + 6 + 1 + 4 + 0).

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 3 ways as a sum of consecutive naturals, for example, 290384 + ... + 290423.

It is an arithmetic number, because the mean of its divisors is an integer number (2032828).

Almost surely, 2^11616140 is an apocalyptic number.

11616140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11616140 is an abundant number, since it is smaller than the sum of its proper divisors (12777796).

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

11616140 is a wasteful number, since it uses less digits than its factorization.

11616140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580816 (or 580814 counting only the distinct ones).

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

The square root of 11616140 is about 3408.2458831487. The cubic root of 11616140 is about 226.4751794928.

Adding to 11616140 its reverse (4161611), we get a palindrome (15777751).

The spelling of 11616140 in words is "eleven million, six hundred sixteen thousand, one hundred forty".