260664329 has 8 divisors (see below), whose sum is σ = 262478400. Its totient is φ = 258855696.

The previous prime is 260664307. The next prime is 260664373. The reversal of 260664329 is 923466062.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260664329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 260664292 and 260664301.

It is not an unprimeable number, because it can be changed into a prime (260664389) 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, 144974 + ... + 146760.

It is an arithmetic number, because the mean of its divisors is an integer number (32809800).

Almost surely, 2^260664329 is an apocalyptic number.

It is an amenable number.

260664329 is a deficient number, since it is larger than the sum of its proper divisors (1814071).

260664329 is a wasteful number, since it uses less digits than its factorization.

260664329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 260664329 is about 16145.1023223763. The cubic root of 260664329 is about 638.7935679015.

The spelling of 260664329 in words is "two hundred sixty million, six hundred sixty-four thousand, three hundred twenty-nine".