3171009921168 has 20 divisors (see below), whose sum is σ = 8191775629808. Its totient is φ = 1057003307040.

The previous prime is 3171009921161. The next prime is 3171009921169. The reversal of 3171009921168 is 8611299001713.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 66062706691 = 3171009921168 / (3 + 1 + 7 + 1 + 0 + 0 + 9 + 9 + 2 + 1 + 1 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (3171009921161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33031353298 + ... + 33031353393.

Almost surely, 2^{3171009921168} is an apocalyptic number.

It is an amenable number.

3171009921168 is an abundant number, since it is smaller than the sum of its proper divisors (5020765708640).

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

3171009921168 is a wasteful number, since it uses less digits than its factorization.

3171009921168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66062706702 (or 66062706696 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 48.

The spelling of 3171009921168 in words is "three trillion, one hundred seventy-one billion, nine million, nine hundred twenty-one thousand, one hundred sixty-eight".