2187716352 has 36 divisors (see below), whose sum is σ = 5822517960. Its totient is φ = 729238528.

The previous prime is 2187716347. The next prime is 2187716371. The reversal of 2187716352 is 2536177812.

It is a super-2 number, since 2×2187716352² = 9572205673616375808, which 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 3 ways as a sum of consecutive naturals, for example, 1423527 + ... + 1425062.

It is an arithmetic number, because the mean of its divisors is an integer number (161736610).

Almost surely, 2^2187716352 is an apocalyptic number.

It is an amenable number.

2187716352 is an abundant number, since it is smaller than the sum of its proper divisors (3634801608).

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

2187716352 is an equidigital number, since it uses as much as digits as its factorization.

2187716352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848608 (or 2848594 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 2187716352 is about 46773.0301776569. The cubic root of 2187716352 is about 1298.1663204894.

The spelling of 2187716352 in words is "two billion, one hundred eighty-seven million, seven hundred sixteen thousand, three hundred fifty-two".