660160606555 has 8 divisors (see below), whose sum is σ = 792199148832. Its totient is φ = 528124204608.

The previous prime is 660160606537. The next prime is 660160606559. The reversal of 660160606555 is 555606061066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-660160606555 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660160606559) 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, 247554 + ... + 1175416.

It is an arithmetic number, because the mean of its divisors is an integer number (99024893604).

Almost surely, 2^660160606555 is an apocalyptic number.

660160606555 is a deficient number, since it is larger than the sum of its proper divisors (132038542277).

660160606555 is a wasteful number, since it uses less digits than its factorization.

660160606555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070165.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 660160606555 in words is "six hundred sixty billion, one hundred sixty million, six hundred six thousand, five hundred fifty-five".