1166463453312 has 96 divisors (see below), whose sum is σ = 3381121427580. Its totient is φ = 385982988288.

The previous prime is 1166463453299. The next prime is 1166463453343. The reversal of 1166463453312 is 2133543646611.

1166463453312 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 4 + 634 + 5 + 3 + 3 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1165415247936 + 1048205376 = 1079544^2 + 32376^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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 11 ways as a sum of consecutive naturals, for example, 3537633 + ... + 3853280.

Almost surely, 2^{1166463453312} is an apocalyptic number.

1166463453312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1166463453312 is an abundant number, since it is smaller than the sum of its proper divisors (2214657974268).

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

1166463453312 is a wasteful number, since it uses less digits than its factorization.

1166463453312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7391070 (or 7391055 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 1166463453312 in words is "one trillion, one hundred sixty-six billion, four hundred sixty-three million, four hundred fifty-three thousand, three hundred twelve".