1166072303 has 8 divisors (see below), whose sum is σ = 1299144960. Its totient is φ = 1037510680.

The previous prime is 1166072273. The next prime is 1166072321. The reversal of 1166072303 is 3032706611.

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 1166072303 - 2¹⁰ = 1166071279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166072203) 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, 1127213 + ... + 1128246.

It is an arithmetic number, because the mean of its divisors is an integer number (162393120).

Almost surely, 2^1166072303 is an apocalyptic number.

1166072303 is a deficient number, since it is larger than the sum of its proper divisors (133072657).

1166072303 is a wasteful number, since it uses less digits than its factorization.

1166072303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255517.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1166072303 is about 34147.8008515922. The cubic root of 1166072303 is about 1052.5477971158.

Adding to 1166072303 its reverse (3032706611), we get a palindrome (4198778914).

The spelling of 1166072303 in words is "one billion, one hundred sixty-six million, seventy-two thousand, three hundred three".