656916 has 24 divisors (see below), whose sum is σ = 1651104. Its totient is φ = 202080.

The previous prime is 656891. The next prime is 656917. The reversal of 656916 is 619656.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 656916.

It is not an unprimeable number, because it can be changed into a prime (656917) by changing a digit.

656916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1950 + ... + 2261.

It is an arithmetic number, because the mean of its divisors is an integer number (68796).

2⁶⁵⁶⁹¹⁶ is an apocalyptic number.

It is an amenable number.

656916 is an abundant number, since it is smaller than the sum of its proper divisors (994188).

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

656916 is a wasteful number, since it uses less digits than its factorization.

656916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231 (or 4229 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 656916 is about 810.5035471853. The cubic root of 656916 is about 86.9300534370.

The spelling of 656916 in words is "six hundred fifty-six thousand, nine hundred sixteen".