1166939227712 has 28 divisors (see below), whose sum is σ = 2333878471680. Its totient is φ = 578875360896.

The previous prime is 1166939227673. The next prime is 1166939227717. The reversal of 1166939227712 is 2177229396611.

It is a happy number.

1166939227712 is an admirable number.

It is a super-2 number, since 2×1166939227712² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1166939227717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71777012 + ... + 71793267.

It is an arithmetic number, because the mean of its divisors is an integer number (83352802560).

Almost surely, 2^{1166939227712} is an apocalyptic number.

It is an amenable number.

1166939227712 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.

1166939227712 is a wasteful number, since it uses less digits than its factorization.

1166939227712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143570418 (or 143570408 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The spelling of 1166939227712 in words is "one trillion, one hundred sixty-six billion, nine hundred thirty-nine million, two hundred twenty-seven thousand, seven hundred twelve".