1166572303 has 8 divisors (see below), whose sum is σ = 1286950896. Its totient is φ = 1050571200.

The previous prime is 1166572291. The next prime is 1166572313. The reversal of 1166572303 is 3032756611.

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 1166572303 - 2⁵ = 1166572271 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 (1166572313) 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, 1093813 + ... + 1094878.

It is an arithmetic number, because the mean of its divisors is an integer number (160868862).

Almost surely, 2^1166572303 is an apocalyptic number.

1166572303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1166572303 is a deficient number, since it is larger than the sum of its proper divisors (120378593).

1166572303 is a wasteful number, since it uses less digits than its factorization.

1166572303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188745.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1166572303 is about 34155.1211826279. The cubic root of 1166572303 is about 1052.6982162322.

The spelling of 1166572303 in words is "one billion, one hundred sixty-six million, five hundred seventy-two thousand, three hundred three".