216061455330 has 192 divisors, whose sum is σ = 649078230528. Its totient is φ = 48842956800.

The previous prime is 216061455287. The next prime is 216061455367. The reversal of 216061455330 is 33554160612.

216061455330 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 614 + 5 + 5 + 3 + 30 = 666.

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 95 ways as a sum of consecutive naturals, for example, 102252354 + ... + 102254466.

It is an arithmetic number, because the mean of its divisors is an integer number (3380615784).

Almost surely, 2^216061455330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216061455330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324539115264).

216061455330 is an abundant number, since it is smaller than the sum of its proper divisors (433016775198).

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

216061455330 is a wasteful number, since it uses less digits than its factorization.

216061455330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841 (or 3838 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 216061455330 in words is "two hundred sixteen billion, sixty-one million, four hundred fifty-five thousand, three hundred thirty".