260066643 has 8 divisors (see below), whose sum is σ = 346852800. Its totient is φ = 173329128.

The previous prime is 260066641. The next prime is 260066671. The reversal of 260066643 is 346660062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260066643 - 2¹ = 260066641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260066641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3028 + ... + 23006.

It is an arithmetic number, because the mean of its divisors is an integer number (43356600).

Almost surely, 2^260066643 is an apocalyptic number.

260066643 is a deficient number, since it is larger than the sum of its proper divisors (86786157).

260066643 is a wasteful number, since it uses less digits than its factorization.

260066643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24321.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 260066643 is about 16126.5818758967. The cubic root of 260066643 is about 638.3049571805.

The spelling of 260066643 in words is "two hundred sixty million, sixty-six thousand, six hundred forty-three".