1166866008132 has 432 divisors, whose sum is σ = 3288845742336. Its totient is φ = 319230460800.

The previous prime is 1166866008109. The next prime is 1166866008149. The reversal of 1166866008132 is 2318006686611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3800866323 + ... + 3800866629.

It is an arithmetic number, because the mean of its divisors is an integer number (7613068848).

Almost surely, 2^{1166866008132} is an apocalyptic number.

1166866008132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166866008132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644422871168).

1166866008132 is an abundant number, since it is smaller than the sum of its proper divisors (2121979734204).

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

1166866008132 is a wasteful number, since it uses less digits than its factorization.

1166866008132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 1166866008132 in words is "one trillion, one hundred sixty-six billion, eight hundred sixty-six million, eight thousand, one hundred thirty-two".