2256065655 has 16 divisors (see below), whose sum is σ = 3612174720. Its totient is φ = 1202411808.

The previous prime is 2256065633. The next prime is 2256065671. The reversal of 2256065655 is 5565606522.

It is not a de Polignac number, because 2256065655 - 2⁹ = 2256065143 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28465 + ... + 72954.

It is an arithmetic number, because the mean of its divisors is an integer number (225760920).

Almost surely, 2^2256065655 is an apocalyptic number.

2256065655 is a deficient number, since it is larger than the sum of its proper divisors (1356109065).

2256065655 is a wasteful number, since it uses less digits than its factorization.

2256065655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102910.

The product of its (nonzero) digits is 540000, while the sum is 42.

The square root of 2256065655 is about 47498.0594866780. The cubic root of 2256065655 is about 1311.5471600410.

The spelling of 2256065655 in words is "two billion, two hundred fifty-six million, sixty-five thousand, six hundred fifty-five".