260996666 has 16 divisors (see below), whose sum is σ = 448231104. Its totient is φ = 111653664.

The previous prime is 260996653. The next prime is 260996669. The reversal of 260996666 is 666699062.

It is a super-3 number, since 3×260996666³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260996669) 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, 8675 + ... + 24438.

It is an arithmetic number, because the mean of its divisors is an integer number (28014444).

Almost surely, 2^260996666 is an apocalyptic number.

260996666 is a deficient number, since it is larger than the sum of its proper divisors (187234438).

260996666 is a wasteful number, since it uses less digits than its factorization.

260996666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33685.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The square root of 260996666 is about 16155.3912363644. The cubic root of 260996666 is about 639.0649316897.

The spelling of 260996666 in words is "two hundred sixty million, nine hundred ninety-six thousand, six hundred sixty-six".