32171352216 has 64 divisors (see below), whose sum is σ = 85410806400. Its totient is φ = 10069452288.

The previous prime is 32171352193. The next prime is 32171352223. The reversal of 32171352216 is 61225317123.

It is a super-2 number, since 2×32171352216² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260646 + ... + 363701.

It is an arithmetic number, because the mean of its divisors is an integer number (1334543850).

Almost surely, 2^32171352216 is an apocalyptic number.

It is an amenable number.

32171352216 is an abundant number, since it is smaller than the sum of its proper divisors (53239454184).

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

32171352216 is a wasteful number, since it uses less digits than its factorization.

32171352216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624488 (or 624484 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

Adding to 32171352216 its reverse (61225317123), we get a palindrome (93396669339).

The spelling of 32171352216 in words is "thirty-two billion, one hundred seventy-one million, three hundred fifty-two thousand, two hundred sixteen".