1166803966 has 8 divisors (see below), whose sum is σ = 1750445784. Its totient is φ = 583322040.

The previous prime is 1166803949. The next prime is 1166803969. The reversal of 1166803966 is 6693086611.

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

It is a super-2 number, since 2×1166803966² = 2722862990146658312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166803969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19665 + ... + 52156.

It is an arithmetic number, because the mean of its divisors is an integer number (218805723).

Almost surely, 2^1166803966 is an apocalyptic number.

1166803966 is a deficient number, since it is larger than the sum of its proper divisors (583641818).

1166803966 is an equidigital number, since it uses as much as digits as its factorization.

1166803966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79946.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 1166803966 is about 34158.5123505108. The cubic root of 1166803966 is about 1052.7678947496.

The spelling of 1166803966 in words is "one billion, one hundred sixty-six million, eight hundred three thousand, nine hundred sixty-six".