3260656505 has 8 divisors (see below), whose sum is σ = 3971188032. Its totient is φ = 2569591728.

The previous prime is 3260656501. The next prime is 3260656523. The reversal of 3260656505 is 5056560623.

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

It is a cyclic number.

It is not a de Polignac number, because 3260656505 - 2² = 3260656501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3260656501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4866317 + ... + 4866986.

It is an arithmetic number, because the mean of its divisors is an integer number (496398504).

Almost surely, 2^3260656505 is an apocalyptic number.

It is an amenable number.

3260656505 is a deficient number, since it is larger than the sum of its proper divisors (710531527).

3260656505 is an equidigital number, since it uses as much as digits as its factorization.

3260656505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733375.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 3260656505 is about 57102.1584968554. The cubic root of 3260656505 is about 1482.8652348102.

The spelling of 3260656505 in words is "three billion, two hundred sixty million, six hundred fifty-six thousand, five hundred five".