216510747004 has 12 divisors (see below), whose sum is σ = 378937930000. Its totient is φ = 108242767008.

The previous prime is 216510746989. The next prime is 216510747067. The reversal of 216510747004 is 400747015612.

216510747004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112929 + ... + 3181720.

Almost surely, 2^216510747004 is an apocalyptic number.

It is an amenable number.

216510747004 is a deficient number, since it is larger than the sum of its proper divisors (162427182996).

216510747004 is a wasteful number, since it uses less digits than its factorization.

216510747004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303252 (or 6303250 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 216510747004 in words is "two hundred sixteen billion, five hundred ten million, seven hundred forty-seven thousand, four".