66600861062 has 8 divisors (see below), whose sum is σ = 102224577576. Its totient is φ = 32526001872.

The previous prime is 66600861029. The next prime is 66600861077. The reversal of 66600861062 is 26016800666.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 387214223 + ... + 387214394.

It is an arithmetic number, because the mean of its divisors is an integer number (12778072197).

Almost surely, 2^66600861062 is an apocalyptic number.

66600861062 is a deficient number, since it is larger than the sum of its proper divisors (35623716514).

66600861062 is a wasteful number, since it uses less digits than its factorization.

66600861062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774428662.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 66600861062 in words is "sixty-six billion, six hundred million, eight hundred sixty-one thousand, sixty-two".