660016606066 has 16 divisors (see below), whose sum is σ = 1007488617408. Its totient is φ = 324231001200.

The previous prime is 660016606061. The next prime is 660016606069. The reversal of 660016606066 is 660606610066.

It is not an unprimeable number, because it can be changed into a prime (660016606061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10953390 + ... + 11013481.

It is an arithmetic number, because the mean of its divisors is an integer number (62968038588).

Almost surely, 2^660016606066 is an apocalyptic number.

660016606066 is a deficient number, since it is larger than the sum of its proper divisors (347472011342).

660016606066 is a wasteful number, since it uses less digits than its factorization.

660016606066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21967137.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 660016606066 in words is "six hundred sixty billion, sixteen million, six hundred six thousand, sixty-six".