1163966 has 4 divisors (see below), whose sum is σ = 1745952. Its totient is φ = 581982.

The previous prime is 1163947. The next prime is 1163969. The reversal of 1163966 is 6693611.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163969) by changing a digit.

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 as a sum of consecutive naturals, namely, 290990 + ... + 290993.

It is an arithmetic number, because the mean of its divisors is an integer number (436488).

2^1163966 is an apocalyptic number.

1163966 is a deficient number, since it is larger than the sum of its proper divisors (581986).

1163966 is an equidigital number, since it uses as much as digits as its factorization.

1163966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581985.

The product of its digits is 5832, while the sum is 32.

The square root of 1163966 is about 1078.8725596659. The cubic root of 1163966 is about 105.1913668117.

The spelling of 1163966 in words is "one million, one hundred sixty-three thousand, nine hundred sixty-six".