1166558158 has 8 divisors (see below), whose sum is σ = 1792516320. Its totient is φ = 569052720.

The previous prime is 1166558153. The next prime is 1166558227. The reversal of 1166558158 is 8518556611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166558153) 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 3 ways as a sum of consecutive naturals, for example, 7113078 + ... + 7113241.

It is an arithmetic number, because the mean of its divisors is an integer number (224064540).

Almost surely, 2^1166558158 is an apocalyptic number.

1166558158 is a deficient number, since it is larger than the sum of its proper divisors (625958162).

1166558158 is a wasteful number, since it uses less digits than its factorization.

1166558158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14226362.

The product of its digits is 288000, while the sum is 46.

The square root of 1166558158 is about 34154.9141120279. The cubic root of 1166558158 is about 1052.6939614662.

The spelling of 1166558158 in words is "one billion, one hundred sixty-six million, five hundred fifty-eight thousand, one hundred fifty-eight".