1166116546 has 16 divisors (see below), whose sum is σ = 1999730880. Its totient is φ = 499595760.

The previous prime is 1166116529. The next prime is 1166116597. The reversal of 1166116546 is 6456116611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34840 + ... + 59548.

It is an arithmetic number, because the mean of its divisors is an integer number (124983180).

Almost surely, 2^1166116546 is an apocalyptic number.

1166116546 is a deficient number, since it is larger than the sum of its proper divisors (833614334).

1166116546 is a wasteful number, since it uses less digits than its factorization.

1166116546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28089.

The product of its digits is 25920, while the sum is 37.

The square root of 1166116546 is about 34148.4486616889. The cubic root of 1166116546 is about 1052.5611088356.

The spelling of 1166116546 in words is "one billion, one hundred sixty-six million, one hundred sixteen thousand, five hundred forty-six".