660061160066 has 32 divisors (see below), whose sum is σ = 1274219458560. Its totient is φ = 248870984400.

The previous prime is 660061160039. The next prime is 660061160093.

660061160066 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (660061160039) and next prime (660061160093).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69126056 + ... + 69135603.

It is an arithmetic number, because the mean of its divisors is an integer number (39819358080).

Almost surely, 2^660061160066 is an apocalyptic number.

660061160066 is a deficient number, since it is larger than the sum of its proper divisors (614158298494).

660061160066 is a wasteful number, since it uses less digits than its factorization.

660061160066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138261710.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 660061160066 in words is "six hundred sixty billion, sixty-one million, one hundred sixty thousand, sixty-six".