260066849 has 4 divisors (see below), whose sum is σ = 297219264. Its totient is φ = 222914436.

The previous prime is 260066791. The next prime is 260066857. The reversal of 260066849 is 948660062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260066849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260066869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18576197 + ... + 18576210.

It is an arithmetic number, because the mean of its divisors is an integer number (74304816).

Almost surely, 2^260066849 is an apocalyptic number.

It is an amenable number.

260066849 is a deficient number, since it is larger than the sum of its proper divisors (37152415).

260066849 is an equidigital number, since it uses as much as digits as its factorization.

260066849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37152414.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 260066849 is about 16126.5882628658. The cubic root of 260066849 is about 638.3051257153.

The spelling of 260066849 in words is "two hundred sixty million, sixty-six thousand, eight hundred forty-nine".