1181045466 has 24 divisors (see below), whose sum is σ = 2560495860. Its totient is φ = 393441216.

The previous prime is 1181045447. The next prime is 1181045477. The reversal of 1181045466 is 6645401811.

1181045466 is a `hidden beast` number, since 1 + 1 + 8 + 104 + 546 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1100315241 + 80730225 = 33171^2 + 8985^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1181045466.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11566 + ... + 49958.

Almost surely, 2^1181045466 is an apocalyptic number.

1181045466 is an abundant number, since it is smaller than the sum of its proper divisors (1379450394).

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

1181045466 is a wasteful number, since it uses less digits than its factorization.

1181045466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40110 (or 40107 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1181045466 is about 34366.3420514899. The cubic root of 1181045466 is about 1057.0337941314.

The spelling of 1181045466 in words is "one billion, one hundred eighty-one million, forty-five thousand, four hundred sixty-six".