1166788555716 has 96 divisors (see below), whose sum is σ = 3130539596800. Its totient is φ = 331327615104.

The previous prime is 1166788555711. The next prime is 1166788555763. The reversal of 1166788555716 is 6175558876611.

It is a super-2 number, since 2×1166788555716² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1166788555711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8935191 + ... + 9064833.

Almost surely, 2^{1166788555716} is an apocalyptic number.

It is an amenable number.

1166788555716 is an abundant number, since it is smaller than the sum of its proper divisors (1963751041084).

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

1166788555716 is a wasteful number, since it uses less digits than its factorization.

1166788555716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130313 (or 130311 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 66.

The spelling of 1166788555716 in words is "one trillion, one hundred sixty-six billion, seven hundred eighty-eight million, five hundred fifty-five thousand, seven hundred sixteen".