11616885 has 64 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 5023296.

The previous prime is 11616859. The next prime is 11616887. The reversal of 11616885 is 58861611.

It is not a de Polignac number, because 11616885 - 2⁷ = 11616757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11616887) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 17632 + ... + 18278.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 2^11616885 is an apocalyptic number.

11616885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11616885 is an abundant number, since it is smaller than the sum of its proper divisors (13266315).

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

11616885 is a wasteful number, since it uses less digits than its factorization.

11616885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 681 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 11616885 is about 3408.3551751541. The cubic root of 11616885 is about 226.4800210438.

The spelling of 11616885 in words is "eleven million, six hundred sixteen thousand, eight hundred eighty-five".