2618256806 has 24 divisors (see below), whose sum is σ = 4390069320. Its totient is φ = 1169938880.

The previous prime is 2618256803. The next prime is 2618256827. The reversal of 2618256806 is 6086528162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2618256803) 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 11 ways as a sum of consecutive naturals, for example, 77411 + ... + 105966.

It is an arithmetic number, because the mean of its divisors is an integer number (182919555).

Almost surely, 2^2618256806 is an apocalyptic number.

2618256806 is a deficient number, since it is larger than the sum of its proper divisors (1771812514).

2618256806 is a wasteful number, since it uses less digits than its factorization.

2618256806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183460 (or 183449 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 2618256806 is about 51168.9046785252. The cubic root of 2618256806 is about 1378.2798714350.

The spelling of 2618256806 in words is "two billion, six hundred eighteen million, two hundred fifty-six thousand, eight hundred six".