260866651 has 2 divisors, whose sum is σ = 260866652. Its totient is φ = 260866650.

The previous prime is 260866633. The next prime is 260866663. The reversal of 260866651 is 156668062.

260866651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260866651 - 2¹¹ = 260864603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260866691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130433325 + 130433326.

It is an arithmetic number, because the mean of its divisors is an integer number (130433326).

Almost surely, 2^260866651 is an apocalyptic number.

260866651 is a deficient number, since it is larger than the sum of its proper divisors (1).

260866651 is an equidigital number, since it uses as much as digits as its factorization.

260866651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 260866651 is about 16151.3668461836. The cubic root of 260866651 is about 638.9587977316.

The spelling of 260866651 in words is "two hundred sixty million, eight hundred sixty-six thousand, six hundred fifty-one".