3216171650461 has 8 divisors (see below), whose sum is σ = 4009772447424. Its totient is φ = 2506107779520.

The previous prime is 3216171650443. The next prime is 3216171650473. The reversal of 3216171650461 is 1640561716123.

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 3216171650461 - 2²¹ = 3216169553309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216171650411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20884231420 + ... + 20884231573.

It is an arithmetic number, because the mean of its divisors is an integer number (501221555928).

Almost surely, 2^{3216171650461} is an apocalyptic number.

It is an amenable number.

3216171650461 is a deficient number, since it is larger than the sum of its proper divisors (793600796963).

3216171650461 is a wasteful number, since it uses less digits than its factorization.

3216171650461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41768463011.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 3216171650461 in words is "three trillion, two hundred sixteen billion, one hundred seventy-one million, six hundred fifty thousand, four hundred sixty-one".