655725606 has 32 divisors (see below), whose sum is σ = 1387674240. Its totient is φ = 205991424.

The previous prime is 655725599. The next prime is 655725611. The reversal of 655725606 is 606527556.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 7101 + ... + 36903.

It is an arithmetic number, because the mean of its divisors is an integer number (43364820).

Almost surely, 2^655725606 is an apocalyptic number.

655725606 is an abundant number, since it is smaller than the sum of its proper divisors (731948634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655725606 is a wasteful number, since it uses less digits than its factorization.

655725606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30020.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 655725606 is about 25607.1397465629. The cubic root of 655725606 is about 868.7751319196.

The spelling of 655725606 in words is "six hundred fifty-five million, seven hundred twenty-five thousand, six hundred six".