656220662 has 8 divisors (see below), whose sum is σ = 1008339192. Its totient is φ = 320107600.

The previous prime is 656220661. The next prime is 656220667. The reversal of 656220662 is 266022656.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656220661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4001264 + ... + 4001427.

It is an arithmetic number, because the mean of its divisors is an integer number (126042399).

Almost surely, 2^656220662 is an apocalyptic number.

656220662 is a deficient number, since it is larger than the sum of its proper divisors (352118530).

656220662 is a wasteful number, since it uses less digits than its factorization.

656220662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002734.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 656220662 is about 25616.8042893722. The cubic root of 656220662 is about 868.9937112293.

The spelling of 656220662 in words is "six hundred fifty-six million, two hundred twenty thousand, six hundred sixty-two".