210725459816 has 64 divisors (see below), whose sum is σ = 405964353600. Its totient is φ = 102504849408.

The previous prime is 210725459767. The next prime is 210725459831. The reversal of 210725459816 is 618954527012.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32272040 + ... + 32278568.

It is an arithmetic number, because the mean of its divisors is an integer number (6343193025).

Almost surely, 2^210725459816 is an apocalyptic number.

It is an amenable number.

210725459816 is a deficient number, since it is larger than the sum of its proper divisors (195238893784).

210725459816 is a wasteful number, since it uses less digits than its factorization.

210725459816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218 (or 7214 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 210725459816 in words is "two hundred ten billion, seven hundred twenty-five million, four hundred fifty-nine thousand, eight hundred sixteen".