660706606 has 16 divisors (see below), whose sum is σ = 1133670240. Its totient is φ = 282902400.

The previous prime is 660706537. The next prime is 660706619. The reversal of 660706606 is 606607066.

660706606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5095 + ... + 36706.

It is an arithmetic number, because the mean of its divisors is an integer number (70854390).

Almost surely, 2^660706606 is an apocalyptic number.

660706606 is a deficient number, since it is larger than the sum of its proper divisors (472963634).

660706606 is a wasteful number, since it uses less digits than its factorization.

660706606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42939.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 660706606 is about 25704.2137790674. The cubic root of 660706606 is about 870.9693717884.

The spelling of 660706606 in words is "six hundred sixty million, seven hundred six thousand, six hundred six".