2187716348 has 24 divisors (see below), whose sum is σ = 3886202880. Its totient is φ = 1077438960.

The previous prime is 2187716347. The next prime is 2187716371. The reversal of 2187716348 is 8436177812.

It is a happy number.

It is a super-2 number, since 2×2187716348² = 9572205638612914208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187716347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128165 + ... + 144227.

It is an arithmetic number, because the mean of its divisors is an integer number (161925120).

Almost surely, 2^2187716348 is an apocalyptic number.

It is an amenable number.

2187716348 is a deficient number, since it is larger than the sum of its proper divisors (1698486532).

2187716348 is a wasteful number, since it uses less digits than its factorization.

2187716348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16577 (or 16575 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 2187716348 is about 46773.0301348972. The cubic root of 2187716348 is about 1298.1663196982.

The spelling of 2187716348 in words is "two billion, one hundred eighty-seven million, seven hundred sixteen thousand, three hundred forty-eight".