1166304443 has 8 divisors (see below), whose sum is σ = 1184279568. Its totient is φ = 1148346144.

The previous prime is 1166304421. The next prime is 1166304457. The reversal of 1166304443 is 3444036611.

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

It is a cyclic number.

It is not a de Polignac number, because 1166304443 - 2¹⁴ = 1166288059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166304143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272105 + ... + 276357.

It is an arithmetic number, because the mean of its divisors is an integer number (148034946).

Almost surely, 2^1166304443 is an apocalyptic number.

1166304443 is a deficient number, since it is larger than the sum of its proper divisors (17975125).

1166304443 is an equidigital number, since it uses as much as digits as its factorization.

1166304443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8413.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1166304443 is about 34151.1997300241. The cubic root of 1166304443 is about 1052.6176390495.

The spelling of 1166304443 in words is "one billion, one hundred sixty-six million, three hundred four thousand, four hundred forty-three".