11669616 has 160 divisors (see below), whose sum is σ = 40711680. Its totient is φ = 3124224.

The previous prime is 11669587. The next prime is 11669639. The reversal of 11669616 is 61696611.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51295 + ... + 51521.

It is an arithmetic number, because the mean of its divisors is an integer number (254448).

Almost surely, 2^11669616 is an apocalyptic number.

11669616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11669616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20355840).

11669616 is an abundant number, since it is smaller than the sum of its proper divisors (29042064).

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

11669616 is a wasteful number, since it uses less digits than its factorization.

11669616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 256 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 11669616 is about 3416.0819662297. The cubic root of 11669616 is about 226.8221808602.

The spelling of 11669616 in words is "eleven million, six hundred sixty-nine thousand, six hundred sixteen".