256065682 has 16 divisors (see below), whose sum is σ = 393869952. Its totient is φ = 124798000.

The previous prime is 256065671. The next prime is 256065683. The reversal of 256065682 is 286560652.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (256065683) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18168 + ... + 29020.

It is an arithmetic number, because the mean of its divisors is an integer number (24616872).

Almost surely, 2^256065682 is an apocalyptic number.

256065682 is a deficient number, since it is larger than the sum of its proper divisors (137804270).

256065682 is a wasteful number, since it uses less digits than its factorization.

256065682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11153.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 256065682 is about 16002.0524308602. The cubic root of 256065682 is about 635.0147201415.

The spelling of 256065682 in words is "two hundred fifty-six million, sixty-five thousand, six hundred eighty-two".