2171203416 has 192 divisors, whose sum is σ = 6633900000. Its totient is φ = 637452288.

The previous prime is 2171203403. The next prime is 2171203453. The reversal of 2171203416 is 6143021712.

2171203416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2171203416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2069260 + ... + 2070308.

Almost surely, 2^2171203416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2171203416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3316950000).

2171203416 is an abundant number, since it is smaller than the sum of its proper divisors (4462696584).

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

2171203416 is a wasteful number, since it uses less digits than its factorization.

2171203416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2171203416 is about 46596.1738343397. The cubic root of 2171203416 is about 1294.8918711366.

The spelling of 2171203416 in words is "two billion, one hundred seventy-one million, two hundred three thousand, four hundred sixteen".