256676105 has 16 divisors (see below), whose sum is σ = 357786624. Its totient is φ = 173119680.

The previous prime is 256676099. The next prime is 256676117. The reversal of 256676105 is 501676652.

It is not a de Polignac number, because 256676105 - 2¹⁶ = 256610569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57977 + ... + 62246.

It is an arithmetic number, because the mean of its divisors is an integer number (22361664).

Almost surely, 2^256676105 is an apocalyptic number.

It is an amenable number.

256676105 is a deficient number, since it is larger than the sum of its proper divisors (101110519).

256676105 is a wasteful number, since it uses less digits than its factorization.

256676105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120296.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 256676105 is about 16021.1143495077. The cubic root of 256676105 is about 635.5189136737.

The spelling of 256676105 in words is "two hundred fifty-six million, six hundred seventy-six thousand, one hundred five".