3216615460 has 12 divisors (see below), whose sum is σ = 6754892508. Its totient is φ = 1286646176.

The previous prime is 3216615443. The next prime is 3216615463. The reversal of 3216615460 is 645166123.

It can be written as a sum of positive squares in 2 ways, for example, as 1589138496 + 1627476964 = 39864^2 + 40342^2 .

It is a super-2 number, since 2×3216615460² = 20693230035022023200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3216615463) 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 3 ways as a sum of consecutive naturals, for example, 80415367 + ... + 80415406.

It is an arithmetic number, because the mean of its divisors is an integer number (562907709).

Almost surely, 2^3216615460 is an apocalyptic number.

It is an amenable number.

3216615460 is an abundant number, since it is smaller than the sum of its proper divisors (3538277048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3216615460 is a wasteful number, since it uses less digits than its factorization.

3216615460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160830782 (or 160830780 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 3216615460 is about 56715.2136555969. The cubic root of 3216615460 is about 1476.1586927247.

The spelling of 3216615460 in words is "three billion, two hundred sixteen million, six hundred fifteen thousand, four hundred sixty".