3068256681 has 24 divisors (see below), whose sum is σ = 5081273600. Its totient is φ = 1747676736.

The previous prime is 3068256677. The next prime is 3068256691. The reversal of 3068256681 is 1866528603.

3068256681 is a `hidden beast` number, since 3 + 0 + 6 + 8 + 2 + 566 + 81 = 666.

It is not a de Polignac number, because 3068256681 - 2² = 3068256677 is a prime.

It is a super-2 number, since 2×3068256681² = 18828398121002271522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3068256691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58081 + ... + 97518.

Almost surely, 2^3068256681 is an apocalyptic number.

It is an amenable number.

3068256681 is a deficient number, since it is larger than the sum of its proper divisors (2013016919).

3068256681 is a wasteful number, since it uses less digits than its factorization.

3068256681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155925 (or 155922 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 3068256681 is about 55391.8467014776. The cubic root of 3068256681 is about 1453.1057774994.

The spelling of 3068256681 in words is "three billion, sixty-eight million, two hundred fifty-six thousand, six hundred eighty-one".