1166666796288 has 144 divisors (see below), whose sum is σ = 3942901836160. Its totient is φ = 333333356544.

The previous prime is 1166666796259. The next prime is 1166666796293. The reversal of 1166666796288 is 8826976666611.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1166666796288² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12007945 + ... + 12104712.

Almost surely, 2^{1166666796288} is an apocalyptic number.

1166666796288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1166666796288 is an abundant number, since it is smaller than the sum of its proper divisors (2776235039872).

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

1166666796288 is an equidigital number, since it uses as much as digits as its factorization.

1166666796288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24112689 (or 24112669 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 72.

The spelling of 1166666796288 in words is "one trillion, one hundred sixty-six billion, six hundred sixty-six million, seven hundred ninety-six thousand, two hundred eighty-eight".