656523848 has 12 divisors (see below), whose sum is σ = 1231118115. Its totient is φ = 328225688.

The previous prime is 656523823. The next prime is 656523851. The reversal of 656523848 is 848325656.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 328261924 + 328261924 = 18118^2 + 18118^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=18118.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 67943 + ... + 77001.

Almost surely, 2^656523848 is an apocalyptic number.

It is an amenable number.

656523848 is a deficient number, since it is larger than the sum of its proper divisors (574594267).

656523848 is an frugal number, since it uses more digits than its factorization.

656523848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18124 (or 9061 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 47.

The square root of 656523848 is about 25622.7213230757. The cubic root of 656523848 is about 869.1275209763.

The spelling of 656523848 in words is "six hundred fifty-six million, five hundred twenty-three thousand, eight hundred forty-eight".