66707404003 has 8 divisors (see below), whose sum is σ = 67185368640. Its totient is φ = 66231096960.

The previous prime is 66707403989. The next prime is 66707404037. The reversal of 66707404003 is 30040470766.

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 66707404003 - 2⁹ = 66707403491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66707404073) 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, 333568 + ... + 494653.

It is an arithmetic number, because the mean of its divisors is an integer number (8398171080).

Almost surely, 2^66707404003 is an apocalyptic number.

66707404003 is a deficient number, since it is larger than the sum of its proper divisors (477964637).

66707404003 is a wasteful number, since it uses less digits than its factorization.

66707404003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828797.

The product of its (nonzero) digits is 84672, while the sum is 37.

Adding to 66707404003 its reverse (30040470766), we get a palindrome (96747874769).

The spelling of 66707404003 in words is "sixty-six billion, seven hundred seven million, four hundred four thousand, three".