11983260366 has 480 divisors, whose sum is σ = 37184209920. Its totient is φ = 2841350400.

The previous prime is 11983260329. The next prime is 11983260371. The reversal of 11983260366 is 66306238911.

11983260366 is a `hidden beast` number, since 1 + 1 + 9 + 8 + 32 + 603 + 6 + 6 = 666.

11983260366 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 51430186 + ... + 51430418.

It is an arithmetic number, because the mean of its divisors is an integer number (77467104).

Almost surely, 2^11983260366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11983260366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18592104960).

11983260366 is an abundant number, since it is smaller than the sum of its proper divisors (25200949554).

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

11983260366 is a wasteful number, since it uses less digits than its factorization.

11983260366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 11983260366 in words is "eleven billion, nine hundred eighty-three million, two hundred sixty thousand, three hundred sixty-six".