216263537304 has 64 divisors (see below), whose sum is σ = 544539996000. Its totient is φ = 71572141056.

The previous prime is 216263537251. The next prime is 216263537363. The reversal of 216263537304 is 403735362612.

216263537304 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 15 ways as a sum of consecutive naturals, for example, 1896202 + ... + 2007014.

Almost surely, 2^216263537304 is an apocalyptic number.

216263537304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

216263537304 is an abundant number, since it is smaller than the sum of its proper divisors (328276458696).

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

216263537304 is a wasteful number, since it uses less digits than its factorization.

216263537304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111404 (or 111400 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 42.

Adding to 216263537304 its reverse (403735362612), we get a palindrome (619998899916).

The spelling of 216263537304 in words is "two hundred sixteen billion, two hundred sixty-three million, five hundred thirty-seven thousand, three hundred four".