216528606825612 has 96 divisors (see below), whose sum is σ = 529267245825024. Its totient is φ = 68832270374400.

The previous prime is 216528606825611. The next prime is 216528606825617.

216528606825612 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (216528606825611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8253978 + ... + 22387169.

It is an arithmetic number, because the mean of its divisors is an integer number (5513200477344).

Almost surely, 2^{216528606825612} is an apocalyptic number.

It is an amenable number.

216528606825612 is an abundant number, since it is smaller than the sum of its proper divisors (312738638999412).

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

216528606825612 is a wasteful number, since it uses less digits than its factorization.

216528606825612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30641519 (or 30641517 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 60.

The spelling of 216528606825612 in words is "two hundred sixteen trillion, five hundred twenty-eight billion, six hundred six million, eight hundred twenty-five thousand, six hundred twelve".