660506411623612 has 24 divisors (see below), whose sum is σ = 1189257674762304. Its totient is φ = 320750553966912.

The previous prime is 660506411623607. The next prime is 660506411623613. The reversal of 660506411623612 is 216326114605066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660506411623613) 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, 4006094548 + ... + 4006259419.

It is an arithmetic number, because the mean of its divisors is an integer number (49552403115096).

Almost surely, 2^{660506411623612} is an apocalyptic number.

It is an amenable number.

660506411623612 is a deficient number, since it is larger than the sum of its proper divisors (528751263138692).

660506411623612 is a wasteful number, since it uses less digits than its factorization.

660506411623612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8012354565 (or 8012354563 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 660506411623612 in words is "six hundred sixty trillion, five hundred six billion, four hundred eleven million, six hundred twenty-three thousand, six hundred twelve".