1166558196 has 48 divisors (see below), whose sum is σ = 2778136704. Its totient is φ = 380854656.

The previous prime is 1166558153. The next prime is 1166558227. The reversal of 1166558196 is 6918556611.

Its product of digits (388800) is a multiple of the sum of its prime factors (3240).

It is a congruent number.

It is an unprimeable number.

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, 480241 + ... + 482663.

It is an arithmetic number, because the mean of its divisors is an integer number (57877848).

Almost surely, 2^1166558196 is an apocalyptic number.

It is an amenable number.

1166558196 is an abundant number, since it is smaller than the sum of its proper divisors (1611578508).

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

1166558196 is a wasteful number, since it uses less digits than its factorization.

1166558196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240 (or 3238 counting only the distinct ones).

The product of its digits is 388800, while the sum is 48.

The square root of 1166558196 is about 34154.9146683168. The cubic root of 1166558196 is about 1052.6939728965.

The spelling of 1166558196 in words is "one billion, one hundred sixty-six million, five hundred fifty-eight thousand, one hundred ninety-six".