216303849216 has 216 divisors, whose sum is σ = 767578986720. Its totient is φ = 57047113728.

The previous prime is 216303849143. The next prime is 216303849227. The reversal of 216303849216 is 612948303612.

216303849216 is a `hidden beast` number, since 2 + 1 + 630 + 3 + 8 + 4 + 9 + 2 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306171 + ... + 725498.

It is an arithmetic number, because the mean of its divisors is an integer number (3553606420).

Almost surely, 2^216303849216 is an apocalyptic number.

216303849216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

216303849216 is an abundant number, since it is smaller than the sum of its proper divisors (551275137504).

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

216303849216 is a wasteful number, since it uses less digits than its factorization.

216303849216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031711 (or 1031694 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 216303849216 in words is "two hundred sixteen billion, three hundred three million, eight hundred forty-nine thousand, two hundred sixteen".