666386460003 has 16 divisors (see below), whose sum is σ = 970487568000. Its totient is φ = 403371343680.

The previous prime is 666386459971. The next prime is 666386460011. The reversal of 666386460003 is 300064683666.

It is not a de Polignac number, because 666386460003 - 2⁵ = 666386459971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (666386460023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12453853 + ... + 12507246.

It is an arithmetic number, because the mean of its divisors is an integer number (60655473000).

Almost surely, 2^666386460003 is an apocalyptic number.

666386460003 is a deficient number, since it is larger than the sum of its proper divisors (304101107997).

666386460003 is a wasteful number, since it uses less digits than its factorization.

666386460003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24961922.

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 666386460003 in words is "six hundred sixty-six billion, three hundred eighty-six million, four hundred sixty thousand, three".