2656935968 has 12 divisors (see below), whose sum is σ = 5230842750. Its totient is φ = 1328467968.

The previous prime is 2656935961. The next prime is 2656935977. The reversal of 2656935968 is 8695396562.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1618291984 + 1038643984 = 40228^2 + 32228^2 .

It is not an unprimeable number, because it can be changed into a prime (2656935961) 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 as a sum of consecutive naturals, namely, 41514593 + ... + 41514656.

Almost surely, 2^2656935968 is an apocalyptic number.

It is an amenable number.

2656935968 is a deficient number, since it is larger than the sum of its proper divisors (2573906782).

2656935968 is an equidigital number, since it uses as much as digits as its factorization.

2656935968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83029259 (or 83029251 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 59.

The square root of 2656935968 is about 51545.4747577321. The cubic root of 2656935968 is about 1385.0337705016.

The spelling of 2656935968 in words is "two billion, six hundred fifty-six million, nine hundred thirty-five thousand, nine hundred sixty-eight".