3666700003 has 4 divisors (see below), whose sum is σ = 3667099600. Its totient is φ = 3666300408.

The previous prime is 3666700001. The next prime is 3666700021. The reversal of 3666700003 is 3000076663.

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

It is a cyclic number.

It is not a de Polignac number, because 3666700003 - 2¹ = 3666700001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3666700001) 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, 185703 + ... + 204496.

It is an arithmetic number, because the mean of its divisors is an integer number (916774900).

Almost surely, 2^3666700003 is an apocalyptic number.

3666700003 is a deficient number, since it is larger than the sum of its proper divisors (399597).

3666700003 is an equidigital number, since it uses as much as digits as its factorization.

3666700003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399596.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 3666700003 is about 60553.2823470371. The cubic root of 3666700003 is about 1542.0263429269.

Adding to 3666700003 its reverse (3000076663), we get a palindrome (6666776666).

The spelling of 3666700003 in words is "three billion, six hundred sixty-six million, seven hundred thousand, three".