1166616003 has 8 divisors (see below), whose sum is σ = 1777700608. Its totient is φ = 666637704.

The previous prime is 1166615977. The next prime is 1166616029. The reversal of 1166616003 is 3006166611.

It is an interprime number because it is at equal distance from previous prime (1166615977) and next prime (1166616029).

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

It is not a de Polignac number, because 1166616003 - 2⁹ = 1166615491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166616043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27776551 + ... + 27776592.

It is an arithmetic number, because the mean of its divisors is an integer number (222212576).

Almost surely, 2^1166616003 is an apocalyptic number.

1166616003 is a deficient number, since it is larger than the sum of its proper divisors (611084605).

1166616003 is an equidigital number, since it uses as much as digits as its factorization.

1166616003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55553153.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1166616003 is about 34155.7609050069. The cubic root of 1166616003 is about 1052.7113608204.

The spelling of 1166616003 in words is "one billion, one hundred sixty-six million, six hundred sixteen thousand, three".