11668927788 has 72 divisors (see below), whose sum is σ = 33722008320. Its totient is φ = 3332815200.

The previous prime is 11668927741. The next prime is 11668927793. The reversal of 11668927788 is 88772986611.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 930963 + ... + 943413.

Almost surely, 2^11668927788 is an apocalyptic number.

11668927788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11668927788 is an abundant number, since it is smaller than the sum of its proper divisors (22053080532).

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

11668927788 is a wasteful number, since it uses less digits than its factorization.

11668927788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16187 (or 16182 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 63.

The spelling of 11668927788 in words is "eleven billion, six hundred sixty-eight million, nine hundred twenty-seven thousand, seven hundred eighty-eight".