656473248 has 168 divisors, whose sum is σ = 1963307808. Its totient is φ = 215955072.

The previous prime is 656473243. The next prime is 656473253. The reversal of 656473248 is 842374656.

It is an interprime number because it is at equal distance from previous prime (656473243) and next prime (656473253).

It is not an unprimeable number, because it can be changed into a prime (656473243) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 2495965 + ... + 2496227.

It is an arithmetic number, because the mean of its divisors is an integer number (11686356).

Almost surely, 2^656473248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 656473248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981653904).

656473248 is an abundant number, since it is smaller than the sum of its proper divisors (1306834560).

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

656473248 is a wasteful number, since it uses less digits than its factorization.

656473248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 375 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 656473248 is about 25621.7338991724. The cubic root of 656473248 is about 869.1051917633.

The spelling of 656473248 in words is "six hundred fifty-six million, four hundred seventy-three thousand, two hundred forty-eight".