1166113146 has 32 divisors (see below), whose sum is σ = 2598386688. Its totient is φ = 345848240.

The previous prime is 1166113139. The next prime is 1166113153. The reversal of 1166113146 is 6413116611.

It is an interprime number because it is at equal distance from previous prime (1166113139) and next prime (1166113153).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184860 + ... + 191063.

It is an arithmetic number, because the mean of its divisors is an integer number (81199584).

Almost surely, 2^1166113146 is an apocalyptic number.

1166113146 is an abundant number, since it is smaller than the sum of its proper divisors (1432273542).

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

1166113146 is a wasteful number, since it uses less digits than its factorization.

1166113146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375986.

The product of its digits is 2592, while the sum is 30.

The square root of 1166113146 is about 34148.3988790104. The cubic root of 1166113146 is about 1052.5600858643.

Adding to 1166113146 its reverse (6413116611), we get a palindrome (7579229757).

The spelling of 1166113146 in words is "one billion, one hundred sixty-six million, one hundred thirteen thousand, one hundred forty-six".