1166040306 has 32 divisors (see below), whose sum is σ = 2593670400. Its totient is φ = 388309680.

The previous prime is 1166040289. The next prime is 1166040307. The reversal of 1166040306 is 6030406611.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1166040306.

It is not an unprimeable number, because it can be changed into a prime (1166040307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50151 + ... + 69621.

It is an arithmetic number, because the mean of its divisors is an integer number (81052200).

Almost surely, 2^1166040306 is an apocalyptic number.

1166040306 is an abundant number, since it is smaller than the sum of its proper divisors (1427630094).

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

1166040306 is a wasteful number, since it uses less digits than its factorization.

1166040306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20591 (or 20585 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1166040306 is about 34147.3323409018. The cubic root of 1166040306 is about 1052.5381697311.

Adding to 1166040306 its reverse (6030406611), we get a palindrome (7196446917).

The spelling of 1166040306 in words is "one billion, one hundred sixty-six million, forty thousand, three hundred six".