655166606 has 8 divisors (see below), whose sum is σ = 989923680. Its totient is φ = 325192048.

The previous prime is 655166599. The next prime is 655166639. The reversal of 655166606 is 606661556.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195286 + ... + 1195833.

It is an arithmetic number, because the mean of its divisors is an integer number (123740460).

Almost surely, 2^655166606 is an apocalyptic number.

655166606 is a deficient number, since it is larger than the sum of its proper divisors (334757074).

655166606 is a wasteful number, since it uses less digits than its factorization.

655166606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391258.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 655166606 is about 25596.2224947354. Note that the first 3 decimals coincide. The cubic root of 655166606 is about 868.5281874852.

The spelling of 655166606 in words is "six hundred fifty-five million, one hundred sixty-six thousand, six hundred six".