656848656 has 40 divisors (see below), whose sum is σ = 1885400160. Its totient is φ = 218949408.

The previous prime is 656848631. The next prime is 656848657.

It is a happy number.

656848656 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (656848657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759810 + ... + 760673.

It is an arithmetic number, because the mean of its divisors is an integer number (47135004).

Almost surely, 2^656848656 is an apocalyptic number.

It is an amenable number.

656848656 is an abundant number, since it is smaller than the sum of its proper divisors (1228551504).

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

656848656 is a wasteful number, since it uses less digits than its factorization.

656848656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520500 (or 1520488 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The square root of 656848656 is about 25629.0588200191. The cubic root of 656848656 is about 869.2708277938.

The spelling of 656848656 in words is "six hundred fifty-six million, eight hundred forty-eight thousand, six hundred fifty-six".