260656066 has 16 divisors (see below), whose sum is σ = 430518240. Its totient is φ = 117371680.

The previous prime is 260656061. The next prime is 260656093. The reversal of 260656066 is 660656062.

260656066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (260656061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53011 + ... + 57718.

It is an arithmetic number, because the mean of its divisors is an integer number (26907390).

Almost surely, 2^260656066 is an apocalyptic number.

260656066 is a deficient number, since it is larger than the sum of its proper divisors (169862174).

260656066 is a wasteful number, since it uses less digits than its factorization.

260656066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110849.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 260656066 is about 16144.8464223107. The cubic root of 260656066 is about 638.7868179599.

It can be divided in two parts, 26065 and 6066, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 260656066 in words is "two hundred sixty million, six hundred fifty-six thousand, sixty-six".