3216561465260 has 48 divisors (see below), whose sum is σ = 7935684517152. Its totient is φ = 1079684966400.

The previous prime is 3216561465241. The next prime is 3216561465263. The reversal of 3216561465260 is 625641656123.

3216561465260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3216561465263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562333061 + ... + 562338780.

It is an arithmetic number, because the mean of its divisors is an integer number (165326760774).

Almost surely, 2^{3216561465260} is an apocalyptic number.

It is an amenable number.

3216561465260 is an abundant number, since it is smaller than the sum of its proper divisors (4719123051892).

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

3216561465260 is a wasteful number, since it uses less digits than its factorization.

3216561465260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124671874 (or 1124671872 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 3216561465260 in words is "three trillion, two hundred sixteen billion, five hundred sixty-one million, four hundred sixty-five thousand, two hundred sixty".