1166322603 has 4 divisors (see below), whose sum is σ = 1555096808. Its totient is φ = 777548400.

The previous prime is 1166322541. The next prime is 1166322643. The reversal of 1166322603 is 3062236611.

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

It is not a de Polignac number, because 1166322603 - 2⁸ = 1166322347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166322643) 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, 194387098 + ... + 194387103.

It is an arithmetic number, because the mean of its divisors is an integer number (388774202).

Almost surely, 2^1166322603 is an apocalyptic number.

1166322603 is a deficient number, since it is larger than the sum of its proper divisors (388774205).

1166322603 is an equidigital number, since it uses as much as digits as its factorization.

1166322603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388774204.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1166322603 is about 34151.4656054466. The cubic root of 1166322603 is about 1052.6231022992.

The spelling of 1166322603 in words is "one billion, one hundred sixty-six million, three hundred twenty-two thousand, six hundred three".