1166006044 has 12 divisors (see below), whose sum is σ = 2332012144. Its totient is φ = 499716864.

The previous prime is 1166005991. The next prime is 1166006053. The reversal of 1166006044 is 4406006611.

1166006044 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 41643073 = 1166006044 / (1 + 1 + 6 + 6 + 0 + 0 + 6 + 0 + 4 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20821509 + ... + 20821564.

Almost surely, 2^1166006044 is an apocalyptic number.

1166006044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1166006044 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.

1166006044 is a wasteful number, since it uses less digits than its factorization.

1166006044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41643084 (or 41643082 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1166006044 is about 34146.8306582031. The cubic root of 1166006044 is about 1052.5278606490.

The spelling of 1166006044 in words is "one billion, one hundred sixty-six million, six thousand, forty-four".