11566698 has 96 divisors (see below), whose sum is σ = 29408832. Its totient is φ = 2995200.

The previous prime is 11566693. The next prime is 11566717. The reversal of 11566698 is 89666511.

It is a happy number.

Its product of digits (77760) is a multiple of the sum of its prime factors (120).

It is not an unprimeable number, because it can be changed into a prime (11566691) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 189588 + ... + 189648.

It is an arithmetic number, because the mean of its divisors is an integer number (306342).

Almost surely, 2^11566698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11566698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14704416).

11566698 is an abundant number, since it is smaller than the sum of its proper divisors (17842134).

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

11566698 is a wasteful number, since it uses less digits than its factorization.

11566698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 107 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 11566698 is about 3400.9848573612. The cubic root of 11566698 is about 226.1534056492.

The spelling of 11566698 in words is "eleven million, five hundred sixty-six thousand, six hundred ninety-eight".