1166543016 has 32 divisors (see below), whose sum is σ = 2964170400. Its totient is φ = 382472640.

The previous prime is 1166543011. The next prime is 1166543017. The reversal of 1166543016 is 6103456611.

It is not an unprimeable number, because it can be changed into a prime (1166543011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396946 + ... + 399873.

It is an arithmetic number, because the mean of its divisors is an integer number (92630325).

Almost surely, 2^1166543016 is an apocalyptic number.

It is an amenable number.

1166543016 is an abundant number, since it is smaller than the sum of its proper divisors (1797627384).

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

1166543016 is a wasteful number, since it uses less digits than its factorization.

1166543016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796889 (or 796885 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1166543016 is about 34154.6924448164. The cubic root of 1166543016 is about 1052.6894067680.

Adding to 1166543016 its reverse (6103456611), we get a palindrome (7269999627).

The spelling of 1166543016 in words is "one billion, one hundred sixty-six million, five hundred forty-three thousand, sixteen".