216363545244 has 144 divisors (see below), whose sum is σ = 695789203200. Its totient is φ = 56198288160.

The previous prime is 216363545191. The next prime is 216363545257. The reversal of 216363545244 is 442545363612.

216363545244 is a `hidden beast` number, since 2 + 1 + 6 + 3 + 63 + 545 + 2 + 44 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 216363545244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 660634 + ... + 932289.

Almost surely, 2^216363545244 is an apocalyptic number.

It is an amenable number.

216363545244 is an abundant number, since it is smaller than the sum of its proper divisors (479425657956).

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

216363545244 is a wasteful number, since it uses less digits than its factorization.

216363545244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592965 (or 1592946 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The spelling of 216363545244 in words is "two hundred sixteen billion, three hundred sixty-three million, five hundred forty-five thousand, two hundred forty-four".