3216071643020 has 24 divisors (see below), whose sum is σ = 7109211001200. Its totient is φ = 1218721885632.

The previous prime is 3216071642947. The next prime is 3216071643023. The reversal of 3216071643020 is 203461706123.

It is not an unprimeable number, because it can be changed into a prime (3216071643023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4231672835 + ... + 4231673594.

It is an arithmetic number, because the mean of its divisors is an integer number (296217125050).

Almost surely, 2^{3216071643020} is an apocalyptic number.

It is an amenable number.

3216071643020 is an abundant number, since it is smaller than the sum of its proper divisors (3893139358180).

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

3216071643020 is a wasteful number, since it uses less digits than its factorization.

3216071643020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8463346457 (or 8463346455 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 3216071643020 in words is "three trillion, two hundred sixteen billion, seventy-one million, six hundred forty-three thousand, twenty".