1166668003 has 4 divisors (see below), whose sum is σ = 1180724328. Its totient is φ = 1152611680.

The previous prime is 1166667967. The next prime is 1166668037. The reversal of 1166668003 is 3008666611.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166668003 is a prime.

It is a super-2 number, since 2×1166668003² = 2722228458448016018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166668073) 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, 7028038 + ... + 7028203.

It is an arithmetic number, because the mean of its divisors is an integer number (295181082).

Almost surely, 2^1166668003 is an apocalyptic number.

1166668003 is a deficient number, since it is larger than the sum of its proper divisors (14056325).

1166668003 is an equidigital number, since it uses as much as digits as its factorization.

1166668003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14056324.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1166668003 is about 34156.5221151100. The cubic root of 1166668003 is about 1052.7270015503.

The spelling of 1166668003 in words is "one billion, one hundred sixty-six million, six hundred sixty-eight thousand, three".