3216806367642 has 48 divisors (see below), whose sum is σ = 7987990345920. Its totient is φ = 916483873536.

The previous prime is 3216806367623. The next prime is 3216806367659. The reversal of 3216806367642 is 2467636086123.

3216806367642 is a `hidden beast` number, since 3 + 216 + 8 + 0 + 6 + 367 + 64 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36117292 + ... + 36206247.

It is an arithmetic number, because the mean of its divisors is an integer number (166416465540).

Almost surely, 2^{3216806367642} is an apocalyptic number.

3216806367642 is an abundant number, since it is smaller than the sum of its proper divisors (4771183978278).

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

3216806367642 is a wasteful number, since it uses less digits than its factorization.

3216806367642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72323907 (or 72323904 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 3216806367642 in words is "three trillion, two hundred sixteen billion, eight hundred six million, three hundred sixty-seven thousand, six hundred forty-two".