66706670404 has 12 divisors (see below), whose sum is σ = 127349098128. Its totient is φ = 30321213800.

The previous prime is 66706670347. The next prime is 66706670417. The reversal of 66706670404 is 40407660766.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 758030302 + ... + 758030389.

It is an arithmetic number, because the mean of its divisors is an integer number (10612424844).

Almost surely, 2^66706670404 is an apocalyptic number.

It is an amenable number.

66706670404 is a deficient number, since it is larger than the sum of its proper divisors (60642427724).

66706670404 is a wasteful number, since it uses less digits than its factorization.

66706670404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516060706 (or 1516060704 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 66706670404 in words is "sixty-six billion, seven hundred six million, six hundred seventy thousand, four hundred four".