216130885571328 has 2592 divisors, whose sum is σ = 803367459901440. Its totient is φ = 50388599439360.

The previous prime is 216130885571219. The next prime is 216130885571351. The reversal of 216130885571328 is 823175588031612.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 294857960850 + ... + 294857961582.

Almost surely, 2^{216130885571328} is an apocalyptic number.

216130885571328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216130885571328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401683729950720).

216130885571328 is an abundant number, since it is smaller than the sum of its proper divisors (587236574330112).

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

216130885571328 is a wasteful number, since it uses less digits than its factorization.

216130885571328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 60.

The spelling of 216130885571328 in words is "two hundred sixteen trillion, one hundred thirty billion, eight hundred eighty-five million, five hundred seventy-one thousand, three hundred twenty-eight".