660505055006 has 16 divisors (see below), whose sum is σ = 993526823520. Its totient is φ = 329330342880.

The previous prime is 660505054969. The next prime is 660505055039. The reversal of 660505055006 is 600550505066.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258760 + ... + 1704548.

It is an arithmetic number, because the mean of its divisors is an integer number (62095426470).

Almost surely, 2^660505055006 is an apocalyptic number.

660505055006 is a deficient number, since it is larger than the sum of its proper divisors (333021768514).

660505055006 is a wasteful number, since it uses less digits than its factorization.

660505055006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447859.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 660505055006 in words is "six hundred sixty billion, five hundred five million, fifty-five thousand, six".