11663076566 has 16 divisors (see below), whose sum is σ = 18106640640. Its totient is φ = 5627724480.

The previous prime is 11663076563. The next prime is 11663076569. The reversal of 11663076566 is 66567036611.

It is an interprime number because it is at equal distance from previous prime (11663076563) and next prime (11663076569).

It is a self number, because there is not a number n which added to its sum of digits gives 11663076566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663076563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74810 + ... + 170066.

It is an arithmetic number, because the mean of its divisors is an integer number (1131665040).

Almost surely, 2^11663076566 is an apocalyptic number.

11663076566 is a deficient number, since it is larger than the sum of its proper divisors (6443564074).

11663076566 is a wasteful number, since it uses less digits than its factorization.

11663076566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97399.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 11663076566 in words is "eleven billion, six hundred sixty-three million, seventy-six thousand, five hundred sixty-six".