660606055612 has 6 divisors (see below), whose sum is σ = 1156060597328. Its totient is φ = 330303027804.

The previous prime is 660606055601. The next prime is 660606055621. The reversal of 660606055612 is 216550606066.

It is a super-2 number, since 2×660606055612² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82575756948 + ... + 82575756955.

Almost surely, 2^660606055612 is an apocalyptic number.

It is an amenable number.

660606055612 is a deficient number, since it is larger than the sum of its proper divisors (495454541716).

660606055612 is a wasteful number, since it uses less digits than its factorization.

660606055612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165151513907 (or 165151513905 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 660606055612 in words is "six hundred sixty billion, six hundred six million, fifty-five thousand, six hundred twelve".