11786666668 has 12 divisors (see below), whose sum is σ = 23573333392. Its totient is φ = 5051428560.

The previous prime is 11786666629. The next prime is 11786666741. The reversal of 11786666668 is 86666668711.

11786666668 is an admirable number.

It is a super-2 number, since 2×11786666668² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210476163 + ... + 210476218.

Almost surely, 2^11786666668 is an apocalyptic number.

It is an amenable number.

11786666668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11786666668 is a wasteful number, since it uses less digits than its factorization.

11786666668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420952392 (or 420952390 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 61.

The spelling of 11786666668 in words is "eleven billion, seven hundred eighty-six million, six hundred sixty-six thousand, six hundred sixty-eight".