1166306233 has 4 divisors (see below), whose sum is σ = 1234912500. Its totient is φ = 1097699968.

The previous prime is 1166306227. The next prime is 1166306263. The reversal of 1166306233 is 3326036611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 693374224 + 472932009 = 26332^2 + 21747^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166306233 - 2¹⁷ = 1166175161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1166306195 and 1166306204.

It is not an unprimeable number, because it can be changed into a prime (1166306263) 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, 34303108 + ... + 34303141.

It is an arithmetic number, because the mean of its divisors is an integer number (308728125).

Almost surely, 2^1166306233 is an apocalyptic number.

It is an amenable number.

1166306233 is a deficient number, since it is larger than the sum of its proper divisors (68606267).

1166306233 is an equidigital number, since it uses as much as digits as its factorization.

1166306233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68606266.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1166306233 is about 34151.2259369997. The cubic root of 1166306233 is about 1052.6181775551.

The spelling of 1166306233 in words is "one billion, one hundred sixty-six million, three hundred six thousand, two hundred thirty-three".