3171661532160 has 704 divisors, whose sum is σ = 11511515750400. Its totient is φ = 738269593600.

The previous prime is 3171661532153. The next prime is 3171661532197. The reversal of 3171661532160 is 612351661713.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (704).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 935867746 + ... + 935871134.

Almost surely, 2^{3171661532160} is an apocalyptic number.

3171661532160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3171661532160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5755757875200).

3171661532160 is an abundant number, since it is smaller than the sum of its proper divisors (8339854218240).

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

3171661532160 is a wasteful number, since it uses less digits than its factorization.

3171661532160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648 (or 3630 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 3171661532160 in words is "three trillion, one hundred seventy-one billion, six hundred sixty-one million, five hundred thirty-two thousand, one hundred sixty".