11886668676 has 81 divisors (see below), whose sum is σ = 31247349861. Its totient is φ = 3956335488.

The previous prime is 11886668671. The next prime is 11886668693. The reversal of 11886668676 is 67686668811.

The square root of 11886668676 is 109026.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3890016900 + 7996651776 = 62370^2 + 89424^2 .

It is a tau number, because it is divible by the number of its divisors (81).

It is not an unprimeable number, because it can be changed into a prime (11886668671) 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 26 ways as a sum of consecutive naturals, for example, 17661876 + ... + 17662548.

Almost surely, 2^11886668676 is an apocalyptic number.

11886668676 is the 109026-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11886668676

11886668676 is an abundant number, since it is smaller than the sum of its proper divisors (19360681185).

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

11886668676 is an frugal number, since it uses more digits than its factorization.

11886668676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 678 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 11886668676 in words is "eleven billion, eight hundred eighty-six million, six hundred sixty-eight thousand, six hundred seventy-six".